Try it in Safe Mode.. Press F8 during Boot or you can try this;
Starting System Restore Tool from Command Prompt
Start your computer to Safe Mode with Command Prompt.
NOTE: You must log on as the administrator or a user that has administrator rights.
At the command prompt, type %systemroot%\system32\restore\rstrui.exe, and then press ENTER.
Follow the instructions on the screen to begin restoring your computer to a previous, functional state.
You are going into System restore as the administrator, Yes??