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Troubleshooting

Jupyter Kernel Not Starting: Quick Fixes

You open a notebook, try to run a cell, and the kernel dies or never connects. This is a common J...

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How to Change Microsoft Store App Download Path in Windows

By default, Microsoft Store apps install to the system drive (usually C:). If that drive is low o...

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Chrome Fails to Start in Safe Mode: Fixes to Try

If Chrome won't start in safe mode—often used to disable extensions and test clean behavior—you m...

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Fix Windows Update Connection Refused on Windows 11

If you see a 'connection refused' error when checking for updates on Windows 11, it usually means...

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Fix Windows Update Error Due to Port 80 Already in Use

Windows Update may fail with error 0x8024402c or similar when another application is already usin...

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How to Resolve PowerShell DNS Lookup Failure

When PowerShell fails to resolve a hostname, you might see errors like Cannot resolve the a...



        
            
                
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                    Support Note
                     Test fixes in a non-critical profile first, keep backups for configuration files, and record exact error messages before changing settings.