Installation and Operations Guide > Problems & Resolutions > 6.1 Startup Failures and Fatal Errors
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6.1 Startup Failures and Fatal Errors
This section covers problems that cause crashes or that prevent Patran from starting.
Problem 1:
Windows
“Patran comes up briefly, then disappears with no messages”
 
 
Resolution 1:
1. Go to Start/Run and type REGEDIT
2. Delete the key: HKEY_CURRENT_USER\Software\MSC.Software\Patran
3. Exit registry
4. Start Patran again
 
 
Problem 2:
Any
“System open error on text I/O”
 
When I attempt to start up Patran, I see the message:
System open error on text I/O
Resolution 2:
Patran does not have write permission to the working directory.