Clean Virus - Virus Cleaner

Has virus problems,but Can’t boot into Safe Mode in XP:
Use one of the bootable antivirus CDs to get access to and scan your system:
Antivirus Bootable Rescue CDs:
Malware can often leave an infected system unstable - or even unable to boot into Windows. Fortunately, a few antivirus vendors offer excellent (and free) rescue CDs that will enable [...]

Virus protect and virus clean your computer:
Spartacus said,To keep your Windows PC secure, you need more than just virus protection- you need a firewall and spyware protection. If you need freeware security applications, you can choose from the following:
firewall: (listed in order of preference)
Comodo (http://www.comodo.com ), or
PC Tools (http://www.pctools.com/firewall )
Comodo recently released version 3.0 of [...]