I would like to know more about your system before you do anything. please download HijackThis from the below link and follow my directions before you proceed to "B"
Once installed, open HijackThis by clicking Start > Program Files > HijackThis and click the button labeled "Do a system scan only".
Note: Once the scan is complete, the scan button will read "Save log". You may save the log file to your PC. Once you select where you would like to save the file, it will open in your system's default text editor. Typically this application is Notepad.
Please Post the LOg back here for me to read
"B" : Removal Instructions
Newest Sample Submit:2010-3-10 7:17:19
Detected Or Reported Times:280
TABQUERY.DLL was first detected on 03.9.2010, and it is considered as a threat. Threat type: Backdoor ,File Path: E:\Windows\tabquery.dll Filesize: 13K bytes first submitted: 03.9.2010 Suggestion: Remove it as a threat. The TABQUERY.DLL has the following action:.
->Usualy created by as a threat process.
->Registered as a Dynamic Link Library File.
->Usualy have random filename and refers to many versions of a dynamic link library.
->Can be injected/attached to the legitimate Windows process such as explorer.exe or other.E:\Windows
TABQUERY.DLL related file as following:
Reported Infected Country:
TABQUERY.DLL Removal instructions:
1.Use Task Manager to terminate TABQUERY.DLL programs process.
2.Delete the original TABQUERY.DLL files and TABQUERY.DLL created files.
3.Delete the system registry key parameter TABQUERY.DLL
IMPORTANT: If you do not know how to do this already please tell me so I can give you direction. Removing a registry parameter can be DANGEROUS if done wrong.
4.Delete the IE temporary files (%Temp%). (It would be good to use Ccleaner for this as it takes care of other issues. You can get that here
install it and make sure you click the "add a icon to my recycle bin" check box. Next you can click the >analyze button and then > Run cleaner button.
5.Update your antivirus databases and perform a full scan of the computer.
Operate System Platform reported:
Windows XP Professional