Safety Scanner
The Microsoft Safety Scanner is a free downloadable security tool that provides on-demand scanning and helps remove viruses, spyware, and other malicious software. It works with your existing antivirus software.
http://www.microsoft.com/security/scanner/en-au/default.aspx
Malicious Software Removal Tool
If you can't download or run the Safety Scanner, Windows has a tiny anti virus program built in. It only targets the most common threats. It will want to update, don't let it. Run it without updating. Then run it again updating it this time.
Click Start - All Programs - Accessories - Run (or press
Winkey + R). Type
mrt
You can reset your firewall to default settings.
Reset Firewall
Start - All Programs - Accessories - Right click Command Prompt and choose
Run As Administrator. Type (or copy and paste by right clicking in the Command Prompt window and choosing
Paste).
netsh advfirewall reset export "%userprofile%\desktop\Firewall Settings.wfw"
Security Fixits
Automatically fix Windows security settings to keep your PC safe
http://support.microsoft.com/mats/Malware_Prevention/en-us
and
Fix security issues to protect and secure Windows automatically
http://support.microsoft.com/mats/windows_security_diagnostic/en-us
and
Fix Internet Explorer issues to make IE fast, safe and stable
http://support.microsoft.com/mats/ie_performance_and_safety/en-us
For the full list visit
http://support.microsoft.com/fixit/en-us
When you choose to download it, choose the option to run on another computer. Then you can save it to your harddisk in a folder. Open the folder, open the folder Fix it Portable, and run
Launch Fix It. It will contain all 27 Fixits.
Full Time Antivirus
For a permanent anti virus, we here in the forums notice a complete lack of problems for people using Microsoft Security Essentials.
http://www.microsoft.com/en-au/download/details.aspx?id=5201
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