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

Setting Up Windows Activation for Ubuntu VM

If you're running a Windows virtual machine on Ubuntu, you'll need to activate it with a valid li...

Checklist to Resolve Windows Search Authentication Failed

You open Windows Search, type a query, and get an error like “Windows Search authentication faile...

Task Scheduler Rate Limit Troubleshooting Checklist

When a scheduled task runs too frequently or fails to execute at the expected time, a rate limit ...

How to Resolve Git Pull Merge Conflicts

When you run git pull and get a merge conflict, it means your local changes overlap ...

Fix Windows Defender DNS Error on Windows 11

You open Windows Security and see a warning about a DNS error, or Windows Defender cannot update ...

Fix Windows Security Authentication Error 0x80070035