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

How to Fix Chrome Profile 404 Not Found Sync Error

You open Chrome and see a '404 Not Found' error linked to your profile, or sync stops working wit...

Fix VirtualBox Kernel Driver Permission Denied on Linux

Fix Visual Studio Installer Not Responding on Windows 11

If you're on Windows 11 and the Visual Studio Installer stops responding or freezes during launch...

Fix PowerShell Blank Screen After Windows 10 Update

After a Windows 10 update, you might open PowerShell and see nothing but a blank window—no prompt...

Fix PowerShell 504 Gateway Timeout When Calling REST API

When you call a REST API from PowerShell and get a 504 Gateway Timeout, it means the server upstr...

Outlook 404 Not Found on Shared Mailbox: Fixes & Checks

You try to open a shared mailbox in Outlook and see a 404 Not Found error. This usually means Out...