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

Fix Windows Activation Auto Start Error 0x80070005

If you see error 0x80070005 when Windows tries to activate automatically, it usually means a perm...

Reduce OneDrive High Memory Usage: Configuration Settings

If OneDrive is using more memory than expected—say over 500 MB on a system with 8 GB RAM—it can s...

Fix Windows Defender Real-Time Protection Authentication Failed

When you try to turn on Windows Defender real-time protection, you might see an error saying some...

How to Fix '404 Not Found' File Path Errors in CMD

Fix WinRAR Checksum Error on Windows 10

If you see a 'Checksum error' or 'CRC failed' message when extracting a RAR or ZIP file in WinRAR...

How to Fix Windows Update Blank Screen in Safe Mode

You boot into Safe Mode after a failed Windows Update, but the screen stays blank. This usually m...