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If not I strongly suspect is Viral agrobot also behaves like this? 
 
Virus Checking 
 
Online (Free) Virus Checking can be done at 
 
SYMANTEC (You must have ActiveX enabled on your browser for it to work!) 
<a href="http://security.symantec.com/ssc/vc_scan.asp?j=1&langid=ie&venid=sym&plfid=23&pkj=ROSUPWFYJOKMFIDPMSV" rel="ugc nofollow">http://security.symantec.com/ssc/vc_scan.asp?j=1&langid=ie&venid=sym&plfid=23&pkj=ROSUPWFYJOKMFIDPMSV</a>&nbsp; 
 
Trend Micro (Housecall) 
<a href="http://housecall.trendmicro.com/" rel="ugc">http://housecall.trendmicro.com/</a> 
 
But You really Need some good quality Anti Virus Installed! 
 
FreeWare 
 
AntiDote Lite <a href="http://www.vintage-solutions.com/English/Antivirus/Super/index.html" rel="ugc">http://www.vintage-solutions.com/English/Antivirus/Super/index.html</a> 
Avast <a href="http://www.avast.com/" rel="ugc">http://www.avast.com/</a> 
F-Prot <a href="http://www.f-prot.com/products/" rel="ugc">http://www.f-prot.com/products/</a> 
V-Catch <a href="http://www.vcatch.com/download.html" rel="ugc">http://www.vcatch.com/download.html</a> 
 
The BIG Boys in AV 
 
McAfee 
<a href="http://www.mcafee.com/default.asp" rel="ugc">http://www.mcafee.com/default.asp</a> 
 
Symantec (or the firm formally known as Norton) 
<a href="http://www.symantec.com" rel="ugc">http://www.symantec.com</a> 
 
Sophos (This Protects My Corporate Network) 
<a href="http://www.sophos.com/" rel="ugc">http://www.sophos.com/</a> 
 
Command 
<a href="http://www.commandsoftware.com/" rel="ugc">http://www.commandsoftware.com/</a>
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If not I strongly suspect is Viral agrobot also behaves like this?

Virus Checking

Online (Free) Virus Checking can be done at

SYMANTEC (You must have ActiveX enabled on your browser for it to work!)
http://security.symantec.com/ssc/vc_scan.asp?j=1&langid=ie&venid=sym&plfid=23&pkj=ROSUPWFYJOKMFIDPMSV [http://security.symantec.com/ssc/vc_scan.asp?j=1&langid=ie&venid=sym&plfid=23&pkj=ROSUPWFYJOKMFIDPMSV] 

Trend Micro (Housecall)
http://housecall.trendmicro.com/ [http://housecall.trendmicro.com/]

But You really Need some good quality Anti Virus Installed!

FreeWare

AntiDote Lite http://www.vintage-solutions.com/English/Antivirus/Super/index.html [http://www.vintage-solutions.com/English/Antivirus/Super/index.html]
Avast http://www.avast.com/ [http://www.avast.com/]
F-Prot http://www.f-prot.com/products/ [http://www.f-prot.com/products/]
V-Catch http://www.vcatch.com/download.html [http://www.vcatch.com/download.html]

The BIG Boys in AV

McAfee
http://www.mcafee.com/default.asp [http://www.mcafee.com/default.asp]

Symantec (or the firm formally known as Norton)
http://www.symantec.com [http://www.symantec.com]

Sophos (This Protects My Corporate Network)
http://www.sophos.com/ [http://www.sophos.com/]

Command
http://www.commandsoftware.com/ [http://www.commandsoftware.com/]

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when I open msconfig or regedit applications they run for a few seconds then automatically close (work fine if in safe mode). 
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when I open msconfig or regedit applications they run for a few seconds then automatically close (work fine if in safe mode). 

msconfig , regedit automatically close

Microsoft Windows XP is the sixth release of the NT series of operating systems, and was the first to be marketed in a variety of editions: XP Home and XP Professional, designed for business and power users. The advanced features in XP Professional are generally disabled in Home Edition, but are there and can be activated. There were two 64-bit editions, an embedded edition and a tablet edition.