Checklists for software errors, setup, and tool workflows.

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Fix PowerShell Assembly Cache Not Updating

You’ve updated a .NET assembly in the Global Assembly Cache (GAC) or copied a new DLL into a modu...

Fix Microsoft Store Permission Denied Error: Reset Permissions

When you see a 'permission denied' error in Microsoft Store—often when trying to install or updat...

Fix BitLocker Proxy Error Code: Practical Steps

When BitLocker Network Unlock fails, you might see a proxy error code in the event logs or during...

How to Reinstall Windows Defender After Error 404

If you see a 404 error when trying to open Windows Defender, it usually means the app's files are...

Fix PowerShell Execution Policy Error on Windows

When you try to run a PowerShell script and see an error like “cannot be loaded because runni...

Fix Chrome Authentication Failed After Password Change
If you changed your Google Account password and now Chrome says "authentication failed" when tryi...