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

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

How to Fix WinRAR Checksum Error and Configuration Settings

If you see a 'Checksum error' or 'CRC failed' message in WinRAR, the archive is likely damaged or...

Task Scheduler 404 Not Found: Troubleshooting Checklist

When you open Task Scheduler and see a '404 Not Found' error for a specific task, it usually mean...

Windows Activation Backup: Saved Keys Not Showing?

You backed up your Windows activation using the built-in backup tool or a third-party utility. La...

Fix 'Port Already Allocated' Error in PowerShell on Windows 10

When you try to start a service or run a script in PowerShell and see an error like "port already...

Fix Windows Search Module Not Found After Update

After a Windows update, you might see an error that the search module is not found, or the search...