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

How to Fix UFW Firewall Port Not Open in Ubuntu

You've configured UFW to allow a port (e.g., 8080) but connections still fail. The port appears c...

Windows Security Proxy Error Checklist: Diagnose & Fix

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

Fix Windows Search Indexing Paused Error 0x80004005

When Windows Search indexing pauses and shows error 0x80004005, search results become incomplete ...

How to Fix Windows Search Network Error 0x80070035

When you search for files on a network location in Windows, you may see error code 0x80070035: "T...

Fix VirtualBox Kernel Driver Not Installed on Windows 10

GitLab Runner Not Picking Up Jobs: Common Fixes

You've set up a GitLab Runner, but jobs sit in the queue with no signs of being picked up. This g...