1. Go into control panel / programs and uninstall it.
Click the start button at the bottom left hand corner of your screen.
Click "Control Panel." Open up the "Add or Remove Programs" in the window.
Scroll down the current installed program list and find 3DMark.
Click 3DMark and click remove button
A window will pop up, and you can now click on, "Uninstall." .
Wait for a minute while your computer removes the 3DMark and the files.
2. Find the folder and delete it. Use a registry cleaner (CCleaner) and it will give you a list of what it thinks are incorrect or problematic registry entries. Uncheck all boxes and then just click the 1st box in the left panel, make sure all the ones in right panel are...