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

Fixing Microsoft Teams Rate Limit Errors from Too Many Requests

If you see errors like “429 Too Many Requests” or “Rate limit exceeded” in Microsoft Teams, it me...

Fix Command Prompt Crashing Due to Corrupted System Files

If Command Prompt opens briefly and then closes immediately, or crashes during use, corrupted sys...

Fix Chrome Update Error 12 on Windows 10

If you see "Update failed (error: 12)" when trying to update Google Chrome on Windows 10, the upd...

Checklist for Fixing Windows Security Startup Failure

When Windows Security (formerly Windows Defender) fails to start at boot, you may see an error li...

How to Fix 'Access Denied' When Setting Windows Security Permissions

When you try to change permissions on a file or folder in Windows, you might see an error like 'A...

Fix SSH Permission Denied (publickey) on Raspberry Pi