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

Fix Microsoft Store Not Opening After Offline Installer

If you've installed an offline version of the Microsoft Store (for example, on a PC without inter...

Fix OneDrive Sync Error 'Version Mismatch' on Windows 10

You open OneDrive and see a sync error: “Version mismatch.” This usually means the OneDrive app o...

How to Fix Outlook 504 Gateway Timeout

When Outlook shows a 504 Gateway Timeout, it means the server (often Exchange or a web proxy) did...

Fix Remote Desktop Certificate Error 0x80090322

When connecting to a remote desktop, you might see error 0x80090322. This usually appears as a me...

How to Fix SSH Connection Timed Out on Linux

When you try to SSH into a Linux server and get "Connection timed out", it usually means the clie...

How to Fix '404 Not Found' Error in Windows Command Prompt