The reliability of the fix it solution center depends on location, who you work with, and how well set up the center is regarding it's customer service. It is entirely possible for someone to have a good experience at one center and a bad experience at another or even have both a good and bad experience in the same center. It would be wise to familiarize yourself with the center and who works there.
Microsoft did fix the RROD. It is still common for some Xbox's to have the RROD though.
You can send it to Microsoft who will fix your Xbox 360.
Depends on the problem. If you want to fix the problem, then find the solution and use the solution to fix it.
Some troubleshooting tools for Windows are Microsoft Fix It Solution Center and Windows Error Lookup tool or WELT. Two others are WinAudit and Joeware Utilities. These tools are all free to use.
Microsoft.
To fix the problem of outlook pst files Microsoft provides a inbuilt application tool canned scanpst.exe. you can fix pst problem after u sing this tool. but some time this tool also become failure then you will have to use Microsoft PST recovery software to fix and recover the pst files.
The only fix for Microsoft Windows for workflow issues is a update on the Microsoft website. Go there and search for "Microsoft Windows workflow" and it will pop up.
Microsoft has to fix it it's internal
Reinstall the program.
Send it off to Microsoft so they can fix.
Send it off to Microsoft for repair.