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

How to Clear Microsoft Store Cache to Fix Update Errors

If you're seeing error codes like 0x80073cf0 or 0x80070005 when trying to update apps from the Mi...

How to Fix systemd Service Restart Loop After Update

After a system update, a service may start, fail, and restart repeatedly, flooding logs and consu...

How to Fix Git Push Non-Fast-Forward Error

You run git push and get: ! [rejected] main -> main (non-fast-forward)....

Fix Windows Activation Sync Issue Between Windows and Ubuntu

If you dual-boot Windows and Ubuntu and suddenly see a “Windows isn’t activated” message, the iss...

Windows Security Proxy Error Checklist: Diagnose & Fix

If you see "Windows Security" proxy errors when trying to access the internet or a network resour...

Docker Compose Build No Cache Checklist: Step-by-Step

When You Need a Clean Build

If you notice your Docker Compose services are not picking u...