OEM WinXP Pro SP3, 32-bit

Free, latest version

Spyware Blaster, Ad-Aware, Secunia PSI

No previous security software… fresh install OEM WinXP Pro SP3, 32-bit.

Add/Remove Programs, then manual registry search-and-destroy for Avast keys, and Explorer search-and-destroy for all Avast files.

No need, it works as needed, with the caveat that the user keeps that checkbox checked.