1. 8707e9f08f248e3ef04a15182c10c951 containing two folders (sp1 and sp2) is the expanded folder for installing sp2 update, should have been deleted on completion of installing SP2. looks like you had a failed SP2 install at some point. DELETE IT.
3. These files can be deleted. Don't worry if they reappear later. CCleaner can be cofigured to delete files containing 0 bytes.
4. Do not delete the last (5.83mb) MSAS they contain spyware definitions, the rest co be deleted safely
Look under C:\windows you may have lots of files in blue starting with $ these are unistall points created as windows installs update these take up alot of space and can be dlete if your PC is working correctly after updates have been installed.
Temporary File Cleaners:-
Crap Cleaner click here
CleanUp! click here
Empty temp folders click here
4DISKCLEAN click here
CClener is still the best and safest to use.