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

Checklist to Clear and Rebuild Windows Update Cache

Windows Update can get stuck or fail with errors like 0x80070002 or 0x8024401c when the update ca...

Fix Microsoft Teams Update Stuck on Mac: Practical Steps

If Microsoft Teams on your Mac shows an update progress bar that never finishes, or the app promp...

OpenVPN Unable to Connect to Remote Server: Fixes

You click Connect in OpenVPN, wait, and then see "Unable to connect to remote server." This is a ...

Fix 502 Bad Gateway Nginx from Command Line

If you're seeing a 502 Bad Gateway error from Nginx, it usually means Nginx can'...

Install NuGet Provider Manually Without Internet

How to Clear Port Allocation in Windows Terminal

If you see errors like "port already in use" or "address in use" when launching a WSL or PowerShe...