White Box Pops Up Without Clicking

It doesn't matter if I am online or using wordpad or something else, but the white box pops up constantly as if I had right clicked the mouse. What could the problem be and how can I fix this? Thank you!

 

Run a virus check from 1 or all of these .
Online Virus check ( free )
http://www3.ca.com/virusinfo/virusscan.aspx
http://housecall.antivirus.com/
http://www.coledata.com/virusalert.htm
http://www.cybertechhelp.com/html/misc/av.php
http://www.pandasoftware.es/activescan/activescan-com.asp
http://www.ravantivirus.com/scan/
http://www.bitdefender.com/

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You may be able to get more info from the Event viewer .
HOW TO: View and Manage Event Logs in Event Viewer in Windows XP
http://support.microsoft.com/default.aspx?scid=kb;EN-US;308427

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Windows XP Events and Errors
Enter the message source and ID in the text field, then click G
http://www.microsoft.com/windowsxp/pro/support/ee.asp

 

Thanks for responding. I had already run a virus check and my

computer is clean. Any other idea's?

 

I would still try the virus checks , each program may or may not be up to date .

Did you try the Error part ?

What spyfile cleaning do you do ?

 

lesabre - he has an excellent point. Some virus infections can disable your onboard AV program so that it appears to work but really doesn't.

Also the spyware/malware checking. Either spybot or ad-aware or both (links in my sig) are good. Download, update, run ad-aware and then spybot. With spybot, also use the immunize feature to block forever about 550 of the more common pieces of spyware.

 

Have you tried using a different mouse? Or taking it apart and cleaning any crud out of it? Just a thought.

Johanna