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

How to Fix 502 Bad Gateway in Command Prompt

If you see a 502 Bad Gateway error while using command prompt—for instance when ...

How to Fix Microsoft Teams Permission Denied Errors

When Microsoft Teams shows a 'permission denied' error, it usually means the app can't access a f...

How to Fix Windows Security File Locked Errors

You try to open a file and see a message like "The file is locked" or "Access denied." Sometimes ...

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...

Fix Microsoft Store Permissions Issue in Windows 10

Fix Microsoft Teams SSL Certificate Error on Windows 10

You open Microsoft Teams on Windows 10 and see an error about an SSL certificate. The app may fai...