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

Troubleshoot PowerShell Crashing Due to Profile Script

PowerShell crashing immediately after starting, or during the first few seconds, often points to ...

Jupyter Kernel Dead: Common Causes and Fixes

You're working in a Jupyter notebook, and suddenly the kernel dies. The notebook becomes unrespon...

Fix Windows Activation Token Expired During Reinstall

If you're reinstalling Windows and see an activation error saying your token has expired, you're ...

Windows Update Cleanup Tool Not Removing Files: Fixes

You run Disk Cleanup, check "Windows Update Cleanup", and it seems to work—but the disk space doe...

Fix GitHub Actions Docker Push Permission Denied

Windows Security Failed to Load Permissions: Fix Guide

You open Windows Security and see 'Page not available' or 'Failed to load permissions'. This usua...