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

How to Fix Nginx 404 Not Found with try_files Directive

You've set up your Nginx server block, but visiting your site returns a 404 Not Found error. The ...

Fix Microsoft Store Permissions Issue in Windows 10

Fix PuTTY Network Error: Connection Refused on Ubuntu

When you try to connect to an Ubuntu machine using PuTTY and see "Network error: Connection refus...

Microsoft Teams Cache Location and How to Delete It

If Microsoft Teams is acting slow, showing stale data, or failing to start, a corrupted cache is ...

Fix Windows Activation Error 'Permission Denied' in Command Line

When you try to activate Windows using the command line (slmgr.vbs or slui.exe) and see 'Permissi...

How to Fix Windows Activation Authentication Failed Error

You see "Authentication failed" when trying to activate Windows. This usually happens after a har...