system-repair

Tron is a collection of programs, tools, utilities, and Windows functions that are all scripted together. Those programs and such are designed to remove malware and bloatware, repair damaged operating systems, update old versions of very common applications, free up drive space...

Rescatux is a GNU/Linux rescue cd (and eventually also Windows) but it is not like other rescue disks. Rescatux comes with Rescapp. Rescapp is a nice wizard that will guide you through your rescue tasks.

Tweaking.com - Windows Repair is a tool designed help fix a large majority of known Windows problems including; registry errors, file permissions, issues with Internet Explorer, Windows Updates, Windows Firewall and more.