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

Fix Outlook Connection Refused Due to Firewall Settings

If Outlook suddenly shows a "connection refused" error when trying to send or receive email, the ...

WireGuard Handshake Not Completing: Firewall Fixes

You set up WireGuard, but the handshake never completes. Both peers show no handshake time, and y...

Windows Update Stuck on Blank Screen: How to Fix

You restart your PC to install updates, but instead of a progress bar, you get a blank screen tha...

Fix Outlook Connection Timeout After Windows Update

Why Outlook times out after a Windows update

After a Windows update, Outlook may fail to ...

Fix GitLab Runner Pending Permission Denied Error

You see a GitLab Runner job stuck in "pending" status, and the job log shows a "permission denied...