but please take Greg`s advice and download the iso and make a new W7 dvd and reinstall W7.
I've got a clean windows 7 install source on a usb flashdrive and used that to make a clean install, before Greg posted the solution.
It's not that I'm not taking his advice, it's just that I already did. It seemed to help 2.
My guess is that something went wrong when I created my last partition-backup (image).
So indeed, the clean install solving the problem makes perfect sense.
I am sorry if it seems like I am not listening to advice, I am, but I thought this problem was related to the metadata of the folder, not to the system.
If I knew this beforehand I would just have reinstalled and not have posted anything.
If anyone knows btw, I'm still curious how windows remembers what folders have what inegritylevel. Is it metadata or is it saved for example in the registry?
Anyway problem still not re-occurring. If nothing changes, I'll mark this thread as solved tomorrow.
Of course it is entirely up to you how you use your PC but I have to say i think 20+th install is a bit over the top
______
If you guys like to know my opinion on this:
It's like this: I prefer running my system without antivirus, because this is slowing the system down, so every once in a while I clean my system partition and restore my partition image. Since it takes somewhere near 7 minutes to complete and will shutdown when I'm done it really is not that much of a hassle: I can just do something else and when I get back, I'm all boot-able and ready to go, preferences included.
The problem is: thought this integrity lowering was occurring after a clean install as well, since I had just recovered my backup. I thought the image was trustworthy, but apparently it had this error stored on it. Perhaps the backup got overwritten by accident, never had this before.
Anyway, I remade the backups form scratch so if this really is it, then we are done and I am sorry for wasting your time guys.
*I'll report back tomorrow*