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

UFW Firewall Rules Not Applying to Docker Containers: Fixes

You've set up UFW rules to restrict traffic, but Docker containers still connect freely. This is ...

Fix Windows Update Config Sync Issues Between Devices

If you've set up Windows Update policies on one device expecting them to sync to others—via Group...

Chrome Profile Missing After Logout: Recovery Steps

You log out of Chrome or your computer, and when you log back in, your profile is gone—no bookmar...

How to Fix Abnormal Memory Usage in CMD on Windows

Fix Cloudflare DNS Not Resolving on Android

If you've set Cloudflare's 1.1.1.1 DNS on your Android device but websites won't load or you see ...

How to Fix Windows Update Configuration Failed Rollback

You see "Windows Update configuration failed. Reverting changes." after a system restart. This us...