Knowledge base for software setup, errors, and daily tool work.

Fix Windows Security Auto-Start Not Working After Update

After a recent Windows update, you might notice that Windows Security (formerly Windows Defender)...

Fix Windows Update 404 Not Found Error on Windows 10

When you run Windows Update and get a "404 Not Found" error, it usually means the update server c...

Windows Security App Not Working After Update: Fixes

After a Windows update, the Windows Security app may fail to open, show a blank screen, or displa...

How to Fix Git Fatal Repository Not Found Error

Fix Windows Activation Sync Failure with Microsoft Account

You see an error that Windows activation failed to start sync with your Microsoft account. This u...

Fix Windows Defender Not Starting Automatically via Registry

If Windows Defender doesn't start automatically after boot, it may leave your system unprotected ...