Weird folders that I can't delete

Download Unlocker.
Open it and select the foder you can't delete, it's gonna try to make them delete-able.
EDIT: Why don't you open some of the files in there? Watermark or SpashScreen should show you what it is..
They are part of updates and such... to delete them you first need to "Own" them...
Right click
Security tab
Select yourself
check the Replace box, then apply and Yes to the pop up...
back out and now try to delete it