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

How to Restore Deleted Files and Chats in Microsoft Teams

If you accidentally delete a file or chat in Microsoft Teams, recovery is possible but depends on...

Windows Security App Not Working After Update: Fixes

After a Windows update, the Windows Security app may fail to open, show a blank screen, or displa...

Fix OneDrive Sync Error: Port Already Allocated

You see an error message like "OneDrive sync port already allocated configuration" and OneDrive w...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

How to Fix Chrome 404 Error on a Specific Website

You're browsing a site you visit often, and suddenly Chrome shows a 404 Not Found error — but onl...

Fix Permission Denied Errors in GitHub Actions Workflows

You're running a GitHub Actions workflow and it fails with a permission denied error...