Traktor Pro 4 Crash on Startup: Fixing Streaming Folder Permissions for Beatport/Beatsource

Symptom

When starting Traktor Pro 4, the application crashes immediately during the startup sequence and fails to open.

Cause

The crash can be caused by incorrect permissions within the __guest folders for Streaming/Beatport and Streaming/Beatsource.

Solution

Please follow these steps to reset the __guest folders:

1. Before launching Traktor, verify your network:

• Make sure Internet/Wi-Fi is ON and you have a stable connection.
• Ensure there are no access restrictions to Beatport/Beatsource services.

2. Try to launch Traktor.

• It may crash during the first startup.
• Once it crashes, make sure Traktor is completely closed.

Now, please navigate to the Beatport folder and Beatsource folder, depending on your operating system:

macOS:

1. Click Go in the Finder menu bar while holding down the option / alt key on the computer keyboard. Choose the Library entry that appears in the drop-down menu. This will open the 'User Library' folder.
   
2. In the Library folder, navigate to the following locations:
   Application Support > Native Instruments > Traktor > Streaming > Beatport
   Application Support > Native Instruments > Traktor > Streaming > Beatsource
3. Delete the __guest folders in both paths.
4. Launch Traktor again.
5. New __guest folders will be created automatically.

Windows:

1. Click on the Windows start button in the bottom left of your screen.
2. Type "%localappdata%" and click on the option that appears. This will open the 'Local' folder.
3. In the Local folder, navigate to the following locations:
   Native Instruments > Traktor > Streaming > Beatport
   Native Instruments > Traktor > Streaming > Beatsource
4. Delete the __guest folders in both paths.
5. Launch Traktor again.
6. New __guest folders will be created automatically.