The partition where all system restore points are stored and can be changed from System Properties where you have post the screenshot of it. Under Protection Settings, click the disk, and then click Configure.
Click Start, click All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator. Type the following command, and then press ENTER:
Sfc command will repair any damage Windows system files. If everything is okay you should, after the scan, see the following message "Windows resource protection did not find any integrity violations"
Run the batch script i have created as a administrator to restore Windows services to there default startup settings. Batch script can be downloaded from below link.
Set Windows Services To Default Startup