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

Fix Windows Defender High Memory Usage

If you notice Windows Defender (Microsoft Defender Antivirus) consuming a lot of memory—sometimes...

Fix Windows Activation Version Mismatch After Upgrade

After upgrading Windows—whether from Home to Pro or from an older build to a newer one—you might ...

Fix Windows Security Error 0x80073b01

You try to install or update an app from the Microsoft Store, and Windows Security throws error 0...

Jupyter Notebook Token Not Working After Update: Fixes

After updating Jupyter Notebook or JupyterLab, you may find that the token-based authentication n...

Fix GitHub Actions Cache Action Permission Denied Error

Microsoft Store Ubuntu Setup: Essential Checklist for Success

Installing Ubuntu from the Microsoft Store is straightforward, but users sometimes hit snags like...