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

Fix Microsoft Store Error by Changing DNS Settings

If the Microsoft Store won't load, shows error 0x80131500, or fails to download apps, a DNS issue...

Fix Task Scheduler 'Update Permission Denied' Error

When you try to modify a scheduled task in Windows Task Scheduler and see 'update permission deni...

Fix OBS Black Screen and Permission Denied on Windows 11

You launch OBS Studio on Windows 11, add a display capture or game capture source, and see only a...

Windows Security DNS Error Troubleshooting Checklist

If you see a DNS error in Windows Security—like 'DNS resolution failed' or 'We can't connect to t...

Fix Chrome Authentication Failed on Windows 10

If Chrome keeps showing 'Authentication failed' when you try to sign in or sync on Windows 10, th...

Fix 'Module Not Found' in Python Virtual Environments