Welcome to the forum,
Yeah, it's actually the CPU-z part of it that crashes,
Uninstall speccy and make sure that driver is removed from the location I highlighted above.
Could not read faulting driver nameProbably caused by : cpuz138_x64.sys ( cpuz138_x64+24a2 )
Loaded symbol image file: cpuz138_x64.sys
Image path: \??\C:\Users\Giorgos\AppData\Local\Temp\cpuz138\cpuz138_x64.sys
Image name: cpuz138_x64.sys
Timestamp: Thu Oct 23 08:03:05 2014 (544918A9)
Translations: 0000.04b0 0000.04e4 0409.04b0 0409.04e4
That's a hidden folder so you need to unhide it,
Hidden Files and Folders - Show or Hide - Windows 7 Help Forums
You can try the portable version of Speccy and see if that doesn't crash.
Speccy - Builds