Freezing on start up

[Withilt]

As soon as I click the play button I receive an error message stating that Gish has stopped working.

Problem signature:
Problem Event Name: BEX
Application Name: gish.exe
Application Version: 0.0.0.0
Application Timestamp: 46e9bcb1
Fault Module Name: gish.exe
Fault Module Version: 0.0.0.0
Fault Module Timestamp: 46e9bcb1
Exception Offset: 01b9806a
Exception Code: c0000005
Exception Data: 00000008
OS Version: 6.1.7600.2.0.0.768.3
Locale ID: 1033
Additional Information 1: 0a9e
Additional Information 2: 0a9e372d3b4ad19135b953a78882e789
Additional Information 3: 0a9e
Additional Information 4: 0a9e372d3b4ad19135b953a78882e789

It has been a few weeks since I last played it but there were never any problems with the game itself until now. Deleting the game files and downloading again has had no effect.