I get this when I try to start it.

c:\Bethesda Softworks\Morrowind\Mopy>c:\python25\python.exe mash.py 0Traceback (most recent call last):  File "mash.py", line 19, in     app = masher.MashApp(stdOutCode)  File "C:\Python25\lib\site-packages\wx-2.8-msw-ansi\wx\_core.py", line 7748, in __init__    self._BootstrapApp()  File "C:\Python25\lib\site-packages\wx-2.8-msw-ansi\wx\_core.py", line 7345, in _BootstrapApp    return _core_.PyApp__BootstrapApp(*args, **kwargs)  File "C:\Bethesda Softworks\Morrowind\Mopy\masher.py", line 3169, in OnInit    self.InitData()  File "C:\Bethesda Softworks\Morrowind\Mopy\masher.py", line 3229, in InitData    mosh.modInfos = mosh.ModInfos(os.path.join(mwDir,'Data Files'))  File "C:\Bethesda Softworks\Morrowind\Mopy\mosh.py", line 2984, in __init__    FileInfos.__init__(self,dir,factory)  File "C:\Bethesda Softworks\Morrowind\Mopy\mosh.py", line 2695, in __init__    self.table = Table(os.path.join(self.dir,'Mash','Table.pkl'))  File "C:\Bethesda Softworks\Morrowind\Mopy\mosh.py", line 340, in __init__    inData = http://forums.bethsoft.com/index.php?/topic/1098182-mash-wont-start/cPickle.load(ins)EOFError

Try Either deleting or renaming (To someting like Table.pkl.old) the file: C:\Bethesda Softworks\Morrowind\Mopy\Mash\Table.pkl