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Troubleshooting

Debugging Jest Tests in VS Code: Breakpoints Not Hit

You set a breakpoint in a Jest test file, start debugging, and the test runs to completion but th...

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Fix 'port already allocated' Error in Docker Compose

You run docker compose up and see port is already allocated. This means...

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Fix Windows 11 WiFi Connected but No Internet: IPv4 Settings

You see the WiFi icon connected, but websites won't load. The network shows “No internet” or ...

Troubleshooting

Fix 'network not found' Error in Docker on Linux

When you see docker: Error response from daemon: network <name> not found on L...

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Fixing Git Authentication Failed in VS Code

If you see "git authentication failed" when pulling, pushing, or cloning in VS Code, the ...

Troubleshooting

Fix 'Port Already Allocated' Error in Docker Compose on Mac

When you run docker-compose up on a Mac, you may see an error like Bind for 0....



        
            
                
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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.