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

How to Backup Microsoft Teams Data Before Uninstall

If you need to uninstall Microsoft Teams—perhaps to fix a persistent issue or free up space—you'l...

PowerShell Version Mismatch Between Client and Server: Fixes

When you run a PowerShell script or command against a remote server, you might see errors about v...

Checklist for Troubleshooting Port Already Allocated on Windows

When you see 'port already allocated' or 'address already in use' on Windows, it means another pr...

PowerShell Script Shows Blank Window: Fixes That Work

You run a PowerShell script, but instead of output you get a blank window that might close immedi...

How to Fix Chrome SSL Certificate Error After Update

Fix npm EACCES Error: Permission Denied on node_modules

You run npm install and get an error like EACCES: permission denied, mkdir '/u...