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Latest Troubleshooting Guides

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Troubleshooting

Fix Token Expired Error in Windows Command Prompt

If you see a "token expired" error in Windows Command Prompt while using Azure CLI, PowerShell, o...

Troubleshooting

Fix Chrome Profile Download Permission Denied on Mac

You try to download a file in Chrome on your Mac, but you see an error: 'Download permission deni...

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Fix 'Permission Denied' Error When Downloading Windows Updates on Ubuntu

If you use a dual-boot system with Ubuntu and Windows, you may see a 'permission denied' error wh...

Troubleshooting

How to Manually Download Windows Updates for Ubuntu

If you manage a dual-boot system or need to apply Windows updates from an Ubuntu machine, manuall...

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How to Recover Missing Sync Data in Firefox Profiles

You open Firefox after a profile switch or reinstall and your bookmarks, passwords, or open tabs ...

Troubleshooting

Fix 'ffmpeg command not found' in PHP exec()

When you call exec('ffmpeg ...') in PHP and get ffmpeg command not found



        
            
                
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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.