Strange folders are automaticaly created in my C:\ drive

Question

Possible Duplicate:
Windows Updates Folders (With Strange Names) in C drive

I don't know what are they and if it's ok to delete them. These are the folders:

These are the files that each of the folders contains:

Answer 1

Those folders are where Windows Updates are unpacked before installation. Usually they are removed automatically, but if they aren't - reboot (to make sure) and delete them yourself.

Answer 2

edit: as per comments below, these are of course temp files, not rollback files as I incorrectly stated WRONG: These files are kept in case you want to roll back a windows update. Depending on how likely it is that you would ever want to do that and how old these files already are, you could probably bin them.