Tor Browser 4.0 crashes (shlwapi.dll) on WinXP if try to change the download folder

User reported about Tor Browser crash if they trying to change the download folder using Tools->Options->General(tab)

It's reproducible for WinXP. Windows reports:

Faulting application firefox.exe version 31.2.0.0
faulting module shlwapi.dll version 6.0.2900.2180
fault address 0x00006550.

WinXP is EOL, marking priority bug as minor for now or close it instead?