Well, it could be the Dell update manager trying to connect to the internet, or it could be a case of spyware. Try these steps:
On-line Scanners
Scan your pc with 2 of these free online scanners:
Panda ActiveScan
RAV AntiVirus
Housecall. Be sure to put a check the box beside AutoClean.
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Download / Install / Update / and Run:
Adaware SE check for any updates before running it.
Get the plug-in for fixing VX2 variants. You can download it at this
SITE
To run this tool, install to the hard drive, then open Ad-aware->Add-ons and select VX2 Cleaner. Then click Run Tool and OK to start it. If it's clean, it will say Status System Clean. Otherwise, you will have to click on the Clean button to remove the VX2 infection.
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Download and install
Spybot S&D . Run Spybot and click on the 'Search for Updates' button. Install any updates that are available. Next click on the 'Check for Problems' button. Let it run the scan. If it finds something, check all those in
RED and hit the
Fix Selected Problems button. Exit Spybot. If you keep getting the DSO Exploit entries, even after you updated Windows and fixed them, then download the
Spybot DSO Exploit Fix and install it over the current Spybot installation.