
Checklist to Enable Windows Security Auto Start
If Windows Security (formerly Windows Defender) doesn't start automatically after you log in, you...

If Windows Security (formerly Windows Defender) doesn't start automatically after you log in, you...

You enter your BitLocker recovery key, but get a 504 error. The key is not accepted. This usually...

If your PC takes longer to start up than it used to, Windows Defender might be scanning too aggre...

You click "Check for updates" in Windows Update, but nothing happens—or the download hangs at 0%....

You open OneDrive and see "Sync pending" or "Changes not syncing" with no error code. Often the c...

After resetting Windows settings, you might find that the Microsoft Store won't open—clicking the...