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

How to Reinstall Windows Security App (Microsoft Defender)

If the Windows Security app (Microsoft Defender) is missing, crashing, or not opening, reinstalli...

Fix Chrome Crash on Startup Due to Hardware Acceleration

If Chrome crashes immediately when you open it, or freezes and becomes unresponsive, hardware acc...

How to Recover from Detached HEAD in Git

You're working in a Git repository and suddenly see a message like 'You are in 'detac...

Fix Cloudflare Wildcard Subdomain Page Rule Not Working

You set up a wildcard subdomain page rule in Cloudflare—like * .example.com/*—but it...

Fix pnpm ERR! Cannot Find Module – Practical Steps

Fix Windows Update Service Not Running for System Restore

You might see “System Restore did not complete successfully” or “Windows Update service is not ru...