SFC Scan 1. Right-click on the Start button and select Command Prompt (Admin)
2. When command prompt opens, Copy (Ctrl+C) and Paste (Right-click > Paste) the following command into it, then press Enter sfc /scannow
3. Once it finishes, copy and paste the following into the command-prompt window and press Enter. copy %windir%\logs\cbs\cbs.log "%userprofile%\Desktop\cbs.txt"
4. Once this has completed please go to your Desktop and you will find CBS.txt => Right-click on this file and choose Send To...Compressed (zipped folder). Please upload this zipped file CBS.zip to this thread
Please Note:: if the file is too big to upload to your next post please upload via a service such as Dropbox or One Drive or SendSpace and just provide the link.