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

Windows Activation for Ubuntu Installation Guide

You installed Ubuntu alongside Windows and now Windows shows it's not activated. This is a known ...

Fix PowerShell Permission Denied for Network Drive

When you run a PowerShell script or command that accesses a network drive, you may see an error l...

Fix OneDrive Blank Screen Error 0x8004de40

You open OneDrive and see a blank screen with error code 0x8004de40. This usually means the app c...

Fix 'Service Not Found' Error for Task Scheduler on Ubuntu

How to Fix Nginx 502 Bad Gateway: A Practical Guide

Seeing a 502 Bad Gateway error from Nginx usually means the upstream server (like PHP-FPM, Gunico...

Fix OneDrive Sync Error 0x8007017c on Mac

You're syncing files in OneDrive on your Mac when a notification pops up: "We can't sync this fil...