Items filtered by date: December 2014

You can no longer access the CD drive or the DVD drive. The problem is not hardware (ie you have tried another drive) and you still cannot see the optical drive in windows, or you can see the drive with an exclamation mark (code 39) but no mounted volume, the following should help

NB: If there are no drives at all in Drive Manager then this is likely the cause of a virus and should be treated first.

There are software utilities available

1. devfilter.exe
2. xp_cd_dvd_fix.vbs
3. XP_CD-DVD-Fix.exe

Try these additional links for software if the solutions below do not work, this link is only a reference
How to Fix CD/DVD Drive Problems With 18 Freeware Tools and Scripts

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Solution 1

1. Fire up Regedit (Click Start and type regedit into the search box and click on the listing that appears in the Start menu). Note that you will get a UAC prompt (Vista or 7).
2. Navigate to the following key:
   
   HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11CE-BFC1-08002BE10318}
    
3. Click on this key and in the right pane and right-click on UpperFilters and choose Delete.
   
   Note An UpperFilters.bak registry entry may also appear. To delete the UpperFilters registry entry, you must click UpperFilters and not UpperFilters.bak.
    
4. Repeat the process for the LowerFilters values.
5. Restart computer

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Solution 2

1. The cdrom / dvdrom will probably be still referenced in the redbook and imapi serives located at:
   
   HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\(imapi/redbook)\Enum\
    
2. registry key is probably '0' but could be 1234....
3. delete the key with the cdrom name.
4. reboot

 

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Solution 3

If you are receiving this Code 39 error and your CD or DVD drive is missing and has a yellow exclamation mark in Device Manager,

To solve this Code 39 error, follow these instructions:

NOTE: After removing these registry keys and rebooting, it may be necessary to reinstall any CD or DVD recording applications.

1) Close all open programs

2) Click on Start, Run, and type REGEDIT and press Enter

3) Click on the plus signs (+) next to the following folders

HKEY_LOCAL_MACHINE
SYSTEM
CurrentControlSet
Control
Class
{4D36E965-E325-11CE-BFC1-08002BE10318}

4) This folder is the DVD/CD-ROM Drive Class Description in the registry. Look for any of the following names in the right hand column.

UpperFilters
LowerFilters
UpperFilters.bak
LowerFilters.bak

5) If any of the above keys shown in step 4 are listed, right-click on them and choose Delete

6) After deleting the keys, close the Registry Editor

7) Reboot your computer

8) Open My Computer and check to see if your CD or DVD drives have returned. You may also want to open Device Manager and verify that the yellow exclamation and error code on the CD or DVD drive is gone.

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Solution 4

tyr installing the correct chipset drivers

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Solution 5

Try this Fixit from microsoft

Your CD drive or DVD drive is missing or is not recognized by Windows or other programs

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Solution 6

This is a more indepth tutorial but relavent if the summarised version above do not work.

How to properly fix filter driver problems in Windows XP

(Note: this is an article for technicians, so common technical terminology and procedures will not be spelled out.)

Most technicians are familiar with the issue where optical drives disappear from My Computer, only to be found in Device Manager with an exclamation point on them, indicating a problem.

Most technicians also have no idea what filter drivers are, or how this can happen, so I'm here to explain this and show you the proper way to repair a driver whose filter chain is broken.

I've noticed that most people completely blast all of the filter drivers away until it works, and although that works, it's really not the best way to go about things, especially since the other filters might be working properly. Also, don't you want to know the why and the how? This problem can apply to more than just optical drives.

Background information

A filter driver intercepts requests/communication in order to extend or replace functionality in the driver or hardware that it is filtering. There are three types of filter that you should know about: bus filter drivers, upper filter drivers, and lower filter drivers.

A bus filter driver extends functionality (usually for proprietary features) on a bus driver, such as ACPI. An ACPI filter driver, for example, could add additional power management modes or communicate with proprietary modifications to ACPI (such as in laptops).

An upper filter driver filters data between the main driver and the application/operating system service. Microsoft's example: a keyboard filter driver could perform additional security checks before passing the data along to the application or OS/module that is receiving the data.

A lower filter driver filters data between the hardware itself and the main driver, providing extra security/stability or translating proprietary communication into a standard language for the main driver. A good example of this is when you press a button on a piece of hardware: you may have only pressed the button once, but internally, the button may have made electrical contact repeatedly within mere milliseconds, sending more than one signal when only one was intended. A filter driver can recognize that this isn't intended behavior, and can refine the data to expected specifications (it turns multiple contacts into the intended 1 contact). This way, the main driver receives a stream of cleaned/stable data, and from the end user's perspective, everything is OK. Since hardware is physical and anything can go wrong, filter drivers are quite necessary for operating system sanity.

There are two ways to install a filter driver in Windows: at the class level, and at the device level. If you install a keyboard class filter driver, EVERY keyboard you ever install will be filtered by it. If you only install it on the device level (which is done by unique device ID), then it will only filter the exact device that you put it on originally and all other devices, even in the same class, will be unaffected.

Troubleshooting

Here's the part everyone is really reading this for. How do you know when you have a filter driver problem, and how do you properly solve it?

If you go into Device Manager and see a device with an exclamation point on it (CD-ROM or not) you should not immediately try to remove and refresh it. Double-click the device so you can see the error code. If it's anything other than "the drivers aren't installed for this device", then you should click the Details tab.

Pull down the drop-down box on the Details tab and look at the following four items:

• Device Upper Filters
• Device Lower Filters
• Class Upper Filters
• Class Lower Filters

In each of these sections, there may be zero or more items. Note the name of each item in each section. They are all drivers, so they should be in %systemroot%\System32\Drivers with a .sys extension. If you investigate your CD-ROM drive's filter drivers and notice GEARAspiWDM (for example), then you should find a corresponding GEARAspiWDM.sys file in the %systemroot%\System32\Drivers folder. If you don't find a corresponding file, then you've found a broken driver chain. Your next course of action is to either find the .sys file and put it in System32\Drivers and reboot, or remove the registry entry and reboot. In most cases you'll just be removing the registry entry that is pointing to a non-existent driver.

How does this happen? If you uninstall iTunes (for instance) then it will remove the GEARAspiWDM.sys file and its filter driver entry from the registry. If you then System Restore to a date prior to this uninstallation, it may or may not put back the .sys file but it will definitely put back the registry entry, and thus the filter chain will be broken. This can happen with any device, as all are capable of hosting filter drivers above or below the main driver. Again, this is not exclusive to that well-known CD-ROM drive problem.

Removing the registry entry

If the missing file came from either of the two "Class" filter categories, drill-down in Regedit to HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Class. Hit CTRL+F and type the entry as you saw it in Device Manager (i.e., "GEARAspiWDM" — without the .sys part) and try to find it. It should quickly bring you directly to the Upper or Lower filters value that contains this driver's reference. Double click the value that it was found in (in the right-hand pane of Regedit), and remove just the line of the missing file, leaving everything else alone (specifically anything that DOES actually exist in %systemroot%\System32\Drivers). Make sure there's only one item per line and that there are no blank lines and that you are modifying the intended driver. The (Default) value of every class key should describe the class' name in English (i.e., "DVD/CD-ROM Drives")

If the missing file name came from either of the two "Device" filter categories, drill-down to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum. Hit CTRL+F and type the entry as you saw it in Device manager, etc, and remove the line in the same way as explained in the paragraph above this one. If more than one device is using this particular filter, then you will have to search again and remove it from each device.

After you've discovered and removed the offending filter driver entry from the registry, restart the computer. All should be well again at this point, if it was indeed just a filter driver problem. Try not to attempt to remove and reinstall the driver before at least rebooting first, as it should be fixed on the next system startup.

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Solution 5

1. Search HKLM for the device ID and delete all occurances (might not be necessary)
2. Reboot
3. If it didnt work then Search HKLM for redbook and delete all occurances of upper and lower filters (imapi and redbook) where you find redbook (should just be in the CD-ROM device keys). Do not delete the device info again.
4. Reboot

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Solution 6

also read this article How To Delete the UpperFilters and LowerFilters Registry Values.

Note: A few of the more common Device Manager error codes that are often caused by UpperFilters and LowerFilters issues include Code 19, Code 31, Code 32, Code 37, Code 39, and Code 41.

Firstly if your site is only a couple of days old to a few weeks this tutorial might not work.

My zencart shop had been open for 8 months and was still not listed in the search engines. This was despite have an adwords campaign and submitting a site map. A few backlinks but not many, it still should of responded to site:mywebsite.com. I had no listings at all in any search engines.

I pulled may hair out trying to fix this, i was using 1.38 with a few standard mods.

Cause:

1. Session ID's
2. NoIndex, NoFollow present on every page.

Why does this effect my search results:

Session IDs

In the case of zencart every time you visit the shop you get a session ID, this is presented via the url. This url is unique for every visit. zencart recognises a spider/bot when it visits and so does not issue a session ID to the crawler. In my shop this was not working and every time a spider/bot visited it was assigned a url with a session ID, therefore the spider/bot would never see the same page twice hurting SERPS (search engine placement).

For my site i discovered that on yahoo / alltheweb / altavista I had 14,000 links to my site in the search engines yet no search results pointing to my site, I looked more closely at these results and noticed the url was the same in everyone except the end bit 'zenid=......' These  14,000 links had caused my site to have an extremely low rating which prevented the homepage coming up the the search results. 14,000 bad pages = bad site. As far as the search engines knew my site was a spam site because they were all individual and were not verified, ie read twice. I did check this but the shop was not blacklisted, the engines would just put it down as a 'bad' site.

NoIndex, NoFollow

This is simple, this tells google, yahoo etc on every page this command is present not to index the page at all, so zencart says 'dont index this page', i do not want you too', so they dont.

Conclusions

These two errors combined will completely prevent the search engines displaying your site, even if you have submitted a sitemap and the search engines regulary visit your site. The searchbots and the computer programs that display your results in a search engine are completely different and use different criteria.

Solution (after months of thinking)

It turns out that zencart 1.38 has 2 bugs in it causing it to add NoIndex, NoFollow to every page, the session IDs added to every page is caused by user error, this is most likely to occur when you transplant a site. To fix these problems read below, not all issues might be present.

Session ID

1. Goto into the admin section, and set session path correctely (fix)
2. Check Cache folder has correct permissions, either 755 or 777 (which ever is correct for you server).
3. If the session cache is not set to a real directory (or writable directory) all spiders/bots will recieve a session id. This Tool corrects the Cache folder location. This has to be done whenever the shop is moved.
4. Make sure Spiders do not recieve session id. By default. it is. but i turned it off and on again anyway.
   
   'Sessions -> Prevent Spider Sessions' is set to True in Admin .

NoIndex, NoFollow Always Present

1. This bug is where NoIndex, NoFollow is added when display categories on the front page is set to true. (link)
   
   Admin->Configuration->Layout Settings->Categories - Always Show on Main Page = 1
    
2. There might be an error present in the html_header.php of the template where v1.38 puts NoIndex, NoFollow on every page because of bad coding.
   
   An edit of the theme (html_header.php) is required to allow indexing, by removing some 'line comment out' things. (fix response #66)

Repairing the Damage

To get rid of those unwanted links in search engines add the following to your robots.txt

User-agent:*
Disallow: *zenid=*
Disallow: /*zenid=*

when these are all done your site could get listed in the search engines within 6 hours but more than likely a couple of days. mine took six hours to get into yahoo, 12 into bing and then i was in the google cache within 24 hours, google search results about 36hours.

I have put together this information because i know i am not the only one and the solution is tricky if you are not an experienced web developer (or even if you are).

shoulders
http://www.zen-cart.com/forum/showthread.php?t=134865

Debugging messages are a powerful tool; however, many production systems (and test systems for that matter) have them disabled by default. If your PHP script is crashing horribly and you are not getting any runtime error messages, it is likely that this is the case for you.

You can initiate PHP debugging messages for the server by changing the display_errors and error_level settings in php.ini. Unfortunately, this is not the best situation in a production system. Luckily, you can enable error reporting on a page by page basis by simply adding the following lines to the top of your PHP script: {geshibot language="php"}

Additionally, to assist with debugging MySQL errors in PHP scripts, you can tack on an additional die clause to your MySQL queries. The following lines will cause your script to halt when a MySQL query fails, and report the error message:

{code class="brush: php"}mysql_query($query, $link_id) or die('

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MySQL Error: ' .mysql_error(). '

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');{/code}

If you script is not producing any error messages, please try these two methods before posting your question in the board. Remember, the community experts can only be as helpful as you are, and they can only work with what you give them.

 

• check the log files
• if the installation process is halted almost immediatley after the 'stop/failed' event this is most likely registry permissions and will be shown in the log file.

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Vista guests require the E1000 virtual NIC. Edit your vmx file and change/add the line

ethernet0.virtualDev = "e1000".

In VMWare the option to mount an IDE physical disk as a virtual disk is not obvious and not directely supported. All physical disks are mounted as SCSI. This is very unhelpful. Below is a work around to allow you to add an IDE physical drive as a virtual drive in VMWare.

---

• Create you virtual machine as normal
• mount the physical disk as normal (SCSI will be selected)
• Close and save the virtual machine
• edit the .vmdk file for the raw disk and changed ddb.adapterType to "ide".
• in .vmx file replace all occurences of "scsi0:0" with "ide0:0"

The physical drive can now be accessed from within VMWare as an ide drive.

You want to install XP professional and suddenly you realize that it freezes up at the mention of 34 minutes remaining! You try all your efforts to make it running but nothing seems to be working to your dismay. You try checking your RAM, checking for any bad sectors in your hard drive, even your motherboard (as I have done) but cannot make a conclusion as to what’s the answer to your woes.

So what is the solution to the defamed 34 minute XP installation hang problem?
 

---

Its as simple as deleting a single file which caused the installation to freeze.

• Let the XP hang at 34 minutes remaining for the first time
• Remove the CD from the CD-ROM
• Reboot the PC by pressing the hardware reset button
• Don't enter the CD when the installation asks for it
• Open the DOS prompt (Shift + F10)
• Goto C:\Windows
  • Type setupapi.log
  • Hit enter
• The setupapi.log file will open in notepad
  • Scroll to the very last few lines in the file and search for the .inf
  • You will notice that in the last few moments the installation created a file with the extension .inf before dying out (in my case it was the faulty modem for which XP created the file mdmcxpt.inf).
  • It means that the device mentioned in the last few lines is faulty and you have to make the XP installation skip it to complete successfully.
  • Close the notepad
• Goto the folder C:\Windows\inf in command prompt
  • Browse through the files to find the .inf belonging to the faulty device.
  • Straight away delete the inf file (eg: del mdmcxpt.inf) or move it somewhere safe for later (not the /inf/ folder)
• Now put in the XP installation CD and Continue the installation

It will now not put in the drivers related to the faulty device and so it wont freeze this time !!
 

• When i choose tools -> folder options -> view, then
• I checked "Show hidden files and folders " radio box,
• then i clicked the Apply button and then Ok.
• When I open the same window again it shows that "Show hidden files and folders"radio box is unchecked.

You might also experience this problem but instead of descriptions you see a load of ??????

These issues are usually caused by active viruses. The viruses use this method to prevent removal.

---

To prevent the issue arising again a full spyware and virus scan is needed to remove the offender.

Run the registry code below and it will allow you to show hidden files again.

 

{code class="brush: powershell"}Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden] "Text"="@shell32.dll,-30499" "Type"="group" "Bitmap"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,74,\ 00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,53,00,\ 48,00,45,00,4c,00,4c,00,33,00,32,00,2e,00,64,00,6c,00,6c,00,2c,00,34,00,00,\ 00 "HelpID"="shell.hlp#51131" [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\NOHIDDEN] "RegPath"="Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Advanced" "Text"="@shell32.dll,-30501" "Type"="radio" "CheckedValue"=dword:00000002 "ValueName"="Hidden" "DefaultValue"=dword:00000002 "HKeyRoot"=dword:80000001 "HelpID"="shell.hlp#51104" [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL] "RegPath"="Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Advanced" "Text"="@shell32.dll,-30500" "Type"="radio" "CheckedValue"=dword:00000001 "ValueName"="Hidden" "DefaultValue"=dword:00000002 "HKeyRoot"=dword:80000001 "HelpID"="shell.hlp#51105" {/code}

Every time I click on a folder and sometimes even icons on the desktop, windows installer starts and then tries to install Symantec Antivirus, which isn't even on my system anymore. If I click "cancel", my normal right click menu of choices appears.

---

Download the MSI clean up utility from HERE
Double-click the file to install the utility.

On the Windows taskbar, click Start > Programs > Windows Installer CleanUp Utility to run the utility

For each entry that begins with "CC," "cc," "Norton," "Symantec," "Sym," or "MSRedist," click the entry, and then click Remove.

Reboot - done