Checklists for software errors, setup, and tool workflows.

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Fix Windows Update Cleanup Stuck During Disk Cleanup

You run Disk Cleanup, select Windows Update Cleanup, and it sits at “Working on it” for hours. Or...

Fix PowerShell Execution Policy Permission Denied Error

When you try to run a PowerShell script and get a 'permission denied' error, it's often because t...

Windows Defender Service Not Starting: Fixes and Checks

When Windows Defender won't start, you might see an error like "Windows Defender service can't be...

How to Fix Chrome Proxy Settings Not Working with Profile

You set a proxy in Chrome's settings, but it doesn't seem to take effect when you browse with you...

Fix 'No matching distribution found' for pip install on Python 3.10

When you run pip install somepackage on Python 3.10 and get ERROR: No matching...

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)...