Windows 10 Media Creation tool Fail to Start ?

Hello friends all you knew that Microsoft has roll out Windows 10. have many feature and give all his existing user who use windows 7,8,8.1 get a chance to upgrade to windows X according to Microsoft people around 14 million upgraded to windows 10 within 24 hours. but some user face some problem to upgrade to windows 10 so they use media Creation tool but some time they give error like

 Setup could not start properly please try to reboot your PC and try again

Solution :

You need to delete the 2 hidden folders on your c:\ directory before allowing it to run if it developed an error. Go to search on your start menu & type in folder options & then open it. Click on view tab & then check show hidden files. Click OK & then go to your C drive & you should see 1 maybe 2 folders that are faded names $Windows.~BT & $Windows.~WS Delete both of those.

After deleting all file restart your PC than try to run again your PC it will run Successfully.