CleanMyPC Registry Cleaner has a restore function. Use it to restore all settings changed by the program.
To restore the Windows Registry from an earlier backup by this program, click the Registry Restore button inside the program and select the cab file. You will be prompted to restart your Windows after the restore is about to be completed. Please restart the system upon request to complete the restore.
Source: FAQ of CleanMyPC Registry Cleaner - Usage Questions
Next, you can view the files that were not repaired by using the following command.
Open an elevated Command Prompt.. Press + X > Select Command Prompt (Admin)
This will create a file called sfcdetails.txt on the Desktop. It will contain a list of corrupted files which could not be repaired. Review the link below to see how you can manually replace them.
findstr /c:"[SR]" %windir%\logs\cbs\cbs.log >%userprofile%\Desktop\sfcdetails.txt
Link: https://support.microsoft.com/kb/929833#CBS log