Post a HijackThis log here, as requested.
Get rid of
PC Tools Spyware Doctor and
Lavasoft Ad-Aware.
Download
Malwarebytes Anti-Malware 1.40 by clicking the green icon. Install it and update it, but don't run a scan with it yet.
If you've got both
Grisoft AVG and
Symantec Norton antivirus programs installed and running in the background, they're fighting with each other and making your computer more susceptible to infection. One of them needs to go.
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