I have created a binary of gerbv2.7.0 for Windows with critical bug fixes and a few enhancement patches. https://github.com/kitanokitsune/gerbv_for_win
Crash may occur on opening/saveing files
Spin control will not accept the keyboard input
Fix casting pointer to different size integer
Another solution.
Allow non-ASCII install path on MS-Windows
Open non-ASCII filename
Fix double-freeing memory