Running MSWindows XP Home on a laptop, there was a blue screen of death after attempting to start up from hibernation.
The following alert was displayed:
Malware alert: Problem caused by spooldr.sys, which might be malware
The system suggested a full malware scan. Microsoft has a malware scan tool available for free download.
Microsoft's tool removes orphaned registry entries and includes a disk defragment utility. Auslogics has a disk defrag that has been available for years.
Spyware Blaster provides some defenses to the Internet Explorer browser, along with flash ad blocking and custom system restore points.