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What to Do if You Lose a U2F Key

U2F is widely regarded as the best way to secure your important accounts since it relies on access to a physical key before the account will be unlocked. But what happens if you lose that key?

What is LockApp.exe on Windows 10?

You may see a process named LockApp.exe running on your PC. This is normal. LockApp.exe is a part of the Windows 10 operating system and is responsible for displaying the lock screen.
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