The Microsoft Safety Scanner was created for emergency situations where your computer has been infected with spyware malicious software or a virus and you are stuck for things to do to fix it. As a last resort you may download this tool on another computer transfer it to your computer and try it out.
It May Breathe New Life Into Your Infected Computer
Download the Microsoft Safety Scanner tool and run it on your infected computer. Run the tool and see if it turns up a problem. It will either suggest a solution to your problem or it will isolate the problem. Follow the suggestions if it gives any and if it isolates the problem you may then try the other tools/solutions you were trying previously in order to get your computer working again.
Conclusion - You Have Nothing To Lose By Trying
The Microsoft Safety Scanner is not a long-term virus checker it is an emergency tool that you use as a last resort. Once you have downloaded it the tool will expire in ten days. It expires to help encourage people to only use it in emergencies instead of using it as a replacement for higher quality virus-checking software.