Originally Posted by kovidgoyal
Hmm nothing comes to mind that could cause crashes with a combination of Win8 and SSDs. It's likely something else you have in common. Unfortunately the number of variables is so large that it's rather hard to guess what that might be.
It may not help, but I went into the Windows event log and looked at a half-dozen or so Calibre error events produced by this x64 issue; they were all the same:
Faulting application name: calibre.exe, version: 0.9.13.0, time stamp: 0x50e65b84
Faulting module name: QtGui4.dll, version: 220.127.116.11, time stamp: 0x50a06c97
Exception code: 0xc0000005
Fault offset: 0x00000000000a2e4f
Faulting process id: 0x28
Faulting application start time: 0x01cdec8de7a314e2
Faulting application path: C:\Program Files\Calibre2\calibre.exe
Faulting module path: C:\Program Files\Calibre2\DLLs\QtGui4.dll
Report Id: 2defc514-5881-11e2-be8a-50e549cd1a34
Faulting package full name:
Faulting package-relative application ID:
I also changed the Calibre default font (MS Shell Dlg 2) to Arial per DoctorOhh's suggestion, but no change.