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

Fix Remote Desktop DNS Error 0x800704cf

When you try to connect to a remote computer using Remote Desktop (RDP) and see error code 0x8007...

How to Fix Network Errors in Command Prompt on Windows 10

Windows Security Update Not Installing After Reboot: Fixes

You restart your PC to finish installing a Windows security update, but after the reboot, the upd...

How to Unlock APT in Ubuntu: Fix Locked Package Manager

If you see an error like 'Could not get lock /var/lib/dpkg/lock' or 'Unable to acquire the dpkg f...

Fix Task Scheduler SSL Certificate Error 0x80070005

When you set up a scheduled task that connects to a remote server over HTTPS, you might see error...

Fix Chrome 'Permission Denied' for Notifications Not Working

You click "Allow" for notifications in Chrome, but the site says "permission denied" or the notif...