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

How to Fix Git Push Rejected Non Fast Forward Merge

You run git push and see an error: rejected – non-fast-forward. This happen...

Fix Windows Update Cleanup Stuck Service: Practical Steps

You try to clean up old Windows Update files, but the service hangs on 'Stopping' or 'Running' fo...

Fix KMS Activation Error: Port 1688 Already in Use

Fixing pnpm Frozen Lockfile Errors: Practical Steps

When you run pnpm install --frozen-lockfile and get an error about the lockfile bein...

Fix Microsoft Store Stuck on Loading Screen

If you open Microsoft Store and it just shows a spinning circle or a blank white screen that neve...

Fix Windows Defender 504 Gateway Timeout & Permission Denied Errors

You open Windows Defender Security Center and see "504 Gateway Timeout" or "Permission Denied" er...