atl.dll is missing from my computer
I have an older Toshiba computer with Windows XP which has a major problem thanks to the atl.dll becoming corupted or somehow deleted from the system. I can not get on line, do a system restore and the computer runs EXTREMELY slow. Any suggestions?
November 11th, 2010 1:07pm

Hi, You may use the System File Checker tool (SFC.exe) to determine which file is causing the issue, and then replace the file. To do this, follow the link given below.http://support.microsoft.com/kb/310747 Hope this information is helpful.Amrita MMicrosoft Answers Support EngineerVisit our Microsoft Answers Feedback Forum and let us know what you think.
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November 12th, 2010 2:40am

You have not provided much information about your system or even any error message you are seeing, so we will have to guess.Please provide additional information about your system:What is your system make and model?What is your XP Version and Service Pack?Describe your current antivirus and anti malware situation: McAfee, Symantec, Norton, Spybot, AVG, Avira!, MSE, Defender, ZoneAlarm, PC Tools, Comodo, etc.Was the issue preceded by a power interruption, aborted restart, or improper shutdown? (this includes plug pulling, power buttons, removing the battery, etc.)Does the afflicted system have a working CD/DVD drive?Do you have a genuine bootable XP installation CD (this is not the same as any Recovery CDs that came with your system)?What do you see that you don't think you should be seeing?What do you not see that you think you should be seeing?Fill in the blank: My system was working fine until: ____________________________________________.How did you determine that the ATL.DLL file was missing? If the ATL.DLL file is missing, trying to run System Restore you see the following message:rstrui.exe - Unable to Locate ComponentThe application has failed to start because ATL.DLL was not found. Re-installing the application may fix this problem.If the ATL.DLL file is missing, trying to open Event Viewer you see a message like this:MMC could not create the snap-in.MMC could not create the snap-in. The snap-in might not have been installed correctly.Name: Event ViewerCLSID: {975797FC-4E2A-11D0-B702-00C04FD8DBF7}The System File Checker utility (SFC) will not help you because it will not run properly if the ATL.DLL file is missing. It will launch, but it will just sit there and not do anything.Even if the System File Checker did run, you are (usually) going to need a CD that has on it the same XP Service Pack that you have installed. Since it seems that most people in the world do not have these requirements, trying to run sfc /scannow usually results in considerable frustration. Why is it suggested so often without also providing the necessary prerequisites is beyond me. SFC should never find anything to do anyway and if it does, you have some other problem to fix.If the ATL.DLL file is missing you would see events like this in the Event Log (when you do get the Event Viewer running again).The server {8BC3F05E-D86B-11D0-A075-00C04FB68820} did not register with DCOM within the required timeout.You will also not be unable to get on the Internet using any browser.You must somehow replace the missing or corrupted ATL.DLL file and then figure out why it became missing or corrupted in the first place.The file could really be missing if it was quarantined (effectively deleted) by your antivirus software. If the file is simply missing, you can just replace it and then figure out later what happened to the file and decide what to do about it.You can perform a Windows search on your system for ATL.DLL and replace the missing file.The ATL.DLL file should be in this folder when things are set up correctly (assuming Windows is installed on your C drive):c:\windows\system32Check and see if you can find the ATL.DLL file in this folder or if it is really missing, you will need to replace it.Depending on what applications you have installed, when you search your system for ATL.DLL, you may find ATL.DLL in several places on your system. You need to be sure you get the correct one that belongs in c:\windows\system32.The most likely place to find a replacement copy of ATL.DLL will be in either of these folders:c:\windows\system32\dllcachec:\windows\system32\ServicePackFiles\i386Locate a copy of the correct ATL.DLL file in one of those folders and copy/paste it into the c:\windows\system32 folder.Respond in the affirmative if asked to overwrite the existing file.The ATL.DLL file may be in use by one of several processes and you may not be able to copy over the top of the file if XP thinks the file is in use.If you see a message that the ATL.DLL file cannot be copied because it is being used by another person or program you are going to have to replace the file using the XP Recovery Console or some type of bootable media.Do, or do not. There is no try.I need YOUR votes and points for helpful replies and Propose as Answers. I am saving up for a pony!
November 12th, 2010 8:39am

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