Here is what we're going to try:
- Download CCleaner from here, and install it.
- Start CCleaner (there should be a shortcut on your Desktop)
- Go in Options tab > Advanced, untick Only delete Windows temporary files older than 24 hours.
- Then in Options tab > Surveillance, untick the both boxes.
- In the Clean tab, click on "Clean".
- When the cleaning is done, go in the "Registry" tab...