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

UFW Deny Port But Still Accessible: Fixes and Checks

You set a UFW deny rule for a specific port, but the port remains accessible from outside. This i...

Fix Windows Update Settings Greyed Out – Step-by-Step

You open Settings > Update & Security, and everything under Windows Update is greyed out. Buttons...

Fix VirtualBox Kernel Driver Not Installed on Windows 10

Fix Windows Search Returning 404 Not Found Error

When you search for a file or app in Windows and click a result, you may see a ‘404 Not Found’ er...

Fix Windows Terminal Login Loop After Update

After a Windows Terminal update, you might find yourself stuck in a login loop—the app prompts yo...

Fix Windows Search Token Expired & Outlook Not Syncing

You may see a message that your Windows Search token has expired, and Outlook stops syncing. This...