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

Fix Microsoft Teams White Screen on Startup

When Microsoft Teams loads but shows only a white screen, the app is usually stuck during startup...

Fix Windows Security Not Opening or Running Slow

If Windows Security (formerly Windows Defender) won't open or takes forever to load, it's usually...

Fix OneDrive Cache Clear Not Working

You try to clear the OneDrive cache to fix a sync problem, but the old files or sync status remai...

How to Fix Git Fatal Repository Not Found Error

Fix Chrome DNS Error Using chrome://net-internals

If you see a DNS error in Chrome—like "ERR_NAME_NOT_RESOLVED" or "DNS_PROBE_FINISHED_NXDOMAIN"—th...

WireGuard Handshake Not Completing: Practical Checklist

If your WireGuard tunnel is up but the handshake never completes, you'll see no data transfer and...