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

How to Repair a Corrupted Windows Security Log

If you see errors like "The security log is corrupted" or Event ID 1104 in the System log, Window...

Fix Microsoft Store Not Working After Windows Update

After a Windows update, you might find that the Microsoft Store won't open, apps fail to download...

Fix Windows Security Not Working in Windows 11

If Windows Security won't open, stays blank, or crashes on Windows 11, the problem is often a cor...

Fix Windows Update Error 0x800f0831: Missing Component

When running Windows Update, you may see error 0x800f0831 with a message that a component is miss...

How to Fix Windows Update Token Expired Error

If you see a 'token expired' error when checking for Windows updates, it usually means the update...

Fix MongoDB Authentication Failed Permission Denied Error