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

Fix 'Port Already in Use' Error When No Process Shows

You try to launch Chrome or a Chrome-based tool (like Puppeteer, Selenium, or a local dev server)...

Fix Windows Defender Blocked by Group Policy Permission Denied

You try to open Windows Defender Security Center or run a scan, but get an error: "Windows Defend...

Fix Windows Activation Dependency Conflict Error

You may see a Windows activation error that mentions a "dependency conflict" or "dependency servi...

Fix Task Scheduler Sync Issues with Microsoft Account

Fix PowerShell Settings Reset After Windows Update

After a Windows update, you may find that your PowerShell settings—such as execution policy, prof...

Fix Windows Update DNS Resolution Problems

When Windows Update fails with errors like 0x80072EFD or 0x8024402C, DNS resolution problems are ...