GPS registry edit after upgrading to Windows 7 (CF-19, CF-30)

I've had this problem multiple times and in the first instance it was a result of windows installer files. To fix this, i managed to find what files where the culprit and removed them using the Windows installer cleanup utility. I've uploaded it here should you want it -

Now I just managed to fix my Error1402 issue with VCRedist, installing for a steam game. Hopefully this works for you guys.

1.Run regedit.exe.
2.Browse to: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18 [This may be different on your computer, just the biggest folder I assume]\Components
3. Right click on the components folder, click permissions.
4. On all the users there, tick full control (allow) and then apply. At some points it may say it failed to set permissions for some keys, just keep going.
5. Click advanced, go to the owner tab.
6. Select whichever user you are, or administrators, tick "replace owner on subcontainers and objects" and click apply. 
7. Click OK, go back to the window from beforehand and try to reapply full control settings for each user just to make sure.
8. Try your installer again

If it doesn't work keep trying to play with the permissions to make your user the owner and get all the child keys to come under your authority. If still no luck, you can manually find every key mentioned after Error1402 and manually force ownership on it. 

Hopefully this helps. I'll paste this around the other sites with people having trouble with this so that hopefully the issue no longer becomes a mystery. I have an inkling it has to do with Windows Installer registry items being locked and preventing modification during other Windows Installers operating.

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