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

Fix Windows Search Authentication Failed Error 0x80070005

When Windows Search fails with error code 0x80070005 and an "authentication failed" message, it u...

Fix Command Prompt Not Recognizing Commands

Fix Windows Defender on Mac Not Scanning Files

If you run Windows Defender on a Mac (via a virtual machine or Boot Camp) and notice it stops sca...

How to Fix Outlook Version Mismatch Error

You open Outlook and get a 'version mismatch' error. This usually means Outlook and the mail serv...

How to Fix PowerShell Rate Limit Error 429

If you're using PowerShell to call REST APIs — especially Microsoft Graph, Azure, or GitHub — you...

How to Fix 'Access Denied' to an Outlook Mailbox Folder

You try to open a folder in Outlook—Inbox, Sent Items, or a custom folder—and get an “Access Deni...