Windows 10 built-in troubleshooters should at least identify, if not fix, your problem. Cortana users might jump directly to Steps 3 and 4.
We'll begin with some of what we consider the best bets that are simple and effective and work our way down to what we think are less possible solutions for most people. TIP: Hard to fix Windows Problems? Repair/Restore Missing Windows OS Files Damaged by Malware with a few clicks
