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Blender crashes when executing Blender.exe
Closed, ArchivedPublic


Executing the Blender.exe (Blender 2.5 Alpha0) causes Blender to crash without starting. Error Message appears:

found bundled python: C:\Programme\Blende~1.5-A\.blender\python
Fatal Python error: Py_Initialize: can't initialize sys standard streams File "C:\Python25\LIB\encodings\, line 120 raise CodecRegistryError

Dell laptop
Inspiron I1520
Intel Core 2Duo T7250
32Bit system
Nvidia Geforce 8600M GT

Event Timeline

You have the environment variable PYTHONPATH set to C:\Python25. Unset this to ensure the proper python version is used, namely the built-in one.

To do this without messing with your environment permanently, open a cmd.exe and cd to the directory where you have extracted Blender 2.5. In the same cmd.exe do:


Then in that cmd.exe run Blender:


thank you so much and sorry for reporting this as a bug!

Matt Ebb (broken) changed the task status from Unknown Status to Archived.Dec 4 2009, 7:41 AM