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Firefox crashes

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New update downloaded in auto when Firefox restarted it crashed on start-up with the error report displayed. Then uninstalled and removed all leftovers installed new copy still will not start up and can not start in safe mode. bp-6314535b-d0a9-471e-9cad-1d8c32150331

New update downloaded in auto when Firefox restarted it crashed on start-up with the error report displayed. Then uninstalled and removed all leftovers installed new copy still will not start up and can not start in safe mode. bp-6314535b-d0a9-471e-9cad-1d8c32150331

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Sorry for the delayed response. Do you have a program from Stardock called WindowBlinds? That might be causing this. More info in this similar thread: Firefox crashes -- Firefox 37 with same crash signature, gfxWindowsPlatform::InitD3D11Devices().