C:\Windows\System32 Dateien Überschreiben

http://www.tech-recipes.com/rx/7168/how-to-overwrite-system-files-in-windows-7/

1. Click the Orb (Start menu), type in cmd, right-click on the cmd.exe and choose Run as administrator.

2. Now, you must take ownership of the file by typing the following command:

takeown /f C:\Windows\System32\wmpeffects.dll and hit Enter (replace C:\Windows\System32\wmpeffects.dll with your file)

If succeed, you will see a message like this:

3. After that, type in the following command. This will give you permission to access the file:

cacls C:\Windows\System32\wmpeffects.dll /G jessica:F (replace Jessica with your username) and hit Enter.

It will ask you whether you sure to do that? Type in Y and hit Enter again.

4. Now, you can easily overwrite system files without any problems.