TFC will clean out all your temporary files. As for the other "errors", they're not really errors and your computer will run well enough despite what you are being told.
For more Information, see what Miekiemoes (Malwarebytes Corp. Asst.Director of Research) has to say >> http://miekiemoes.blogspot.com/2008/02/registry-cleaners-and-system-tweaking_13.html
Are you actually having any specific problems? TFC
- Please download TFC by Old Timer to your desktop,
- Save any unsaved work. TFC will close all open application windows.
- Double-click TFC.exe to run the program.
- Click the Start button in the bottom left of TFC
- If prompted, click "Yes" to reboot.
.Note: Save your work.
TFC will automatically close any open programs, let it run uninterrupted. It should not take longer than a couple of minutes , and may only take a few seconds. Only if needed will you be prompted to reboot.