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

Fix Windows Activation Connection Timeout After Reinstall

After reinstalling Windows, you may see an activation error: “We can't activate Windows on this d...

Fix Microsoft Store Error 0x80070005: Permission Denied

You try to install or update an app from the Microsoft Store and see error 0x80070005, often acco...

MongoDB Compass: Authentication Failed vs Connection Refused

When using MongoDB Compass, you might see either "authentication failed" or "connection refused."...

Fix Windows Security High CPU Usage During Malware Scans

You run a malware scan in Windows Security (formerly Windows Defender) and notice your CPU fan ra...

How to Set Up Windows Activation on Ubuntu Dual Boot

If you installed Ubuntu alongside Windows and now see an activation warning, you're not alone. Wi...

How to Fix BitLocker Module Not Found or Permission Denied Errors