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

Fix Microsoft Store Not Launching from Start Menu

You click the Microsoft Store icon in the Start Menu, but nothing happens—no window, no error. Th...

Fix Windows Activation Proxy Server Not Responding

When you try to activate Windows and see “proxy server not responding,” it usually means Windows ...

Fix Windows Defender Error 0x80070643 – Version Mismatch

You update Windows Defender and see error code 0x80070643. The update fails, and Defender may dis...

Fix Microsoft Store Authentication Fails Due to Proxy

If you see authentication errors in Microsoft Store and suspect a proxy, you're likely hitting a ...

Fix PowerShell Proxy Authentication Failed Errors

How to Fix Git Pull Merge Conflicts Without Force Push

You run git pull and see a merge conflict message. Your first instinct might be to f...