designer wont run all of a sudden

[mercer57]

wont load I get this shown below , any ideas?



Problem Event Name: APPCRASH
Application Name: gui.exe
Application Version: 0.0.0.0
Application Timestamp: 4cf5f5e7
Fault Module Name: qt-mt338.dll
Fault Module Version: 3.3.8.1
Fault Module Timestamp: 4905e70c
Exception Code: c0000005
Exception Offset: 0001e4d5
OS Version: 6.1.7600.2.0.0.256.1
Locale ID: 1033
Additional Information 1: 0a9e
Additional Information 2: 0a9e372d3b4ad19135b953a78882e789
Additional Information 3: 0a9e
Additional Information 4: 0a9e372d3b4ad19135b953a78882e789