Mamewah help please

[Apollo]

Ok so I've just reformatted my hard drive and installed the latest Mamewah 1.61. I'm using mame v0.86b. When I run Mamewah I get a black screen. I actually have to shut down the PC and start again. When I read the notepad file this is what I see. Any ideas on a fix?

29/05/2005 5:41:15 p.m. MAMEWAH launched
29/05/2005 5:41:15 p.m. Cursor scheme: Windows Default, Arrow: (None), Wait: (None), AppStarting: (None)
29/05/2005 5:41:15 p.m. Desktop colour: 10841658
29/05/2005 5:41:15 p.m. Wallpaper filename: C:\Documents and Settings\Owner\Local Settings\Application Data\Microsoft\Wallpaper1.bmp
29/05/2005 5:41:15 p.m. Display mode: 1024x768 @ 84Hz, 32 bit colour
29/05/2005 5:41:15 p.m. Decimal symbol: '.'
29/05/2005 5:41:16 p.m. Games list read: mame-0.lst
29/05/2005 5:41:18 p.m. Layout selected: C:\MAMEWAH\layouts\Classic 640x480\layout.lay
29/05/2005 5:41:21 p.m. Ctrlr file selected: C:\MAMEWAH\ctrlr\default.ini
29/05/2005 5:41:28 p.m. Commandline run: CMD.EXE /c c:\mame\mame.exe -listxml|xml2info > C:\MAMEWAH\mame.dat {flags=17}
29/05/2005 5:42:05 p.m. Commandline run: CMD.EXE /c c:\mame\mame.exe -listfull > c:\mame\listfull {flags=17}
29/05/2005 5:42:06 p.m. Games list read: mame-0.lst
29/05/2005 5:42:18 p.m. Commandline run: CMD.EXE /c c:\mame\mame.exe 1942 -verifyroms > C:\MAMEWAH\files\verify {flags=17}
29/05/2005 5:42:19 p.m. Commandline run: c:\mame\mame.exe 1942 {flags=12}
29/05/2005 5:43:39 p.m. Mode 1024 x 768 @ 84, 32bit colour not available
29/05/2005 5:43:40 p.m. Error: 5 Invalid procedure call or argument in CTRLR_FinaliseDI

[Apollo]

Ok I'm an idiot. Just installed DirectX9.0 and all is good. Thankyou.

[Apollo]

Ok I spoke too soon, I can now run Mamewah and play a game but when I exit, the screen freezes, Mamewah isn't responding and when I shut everything down with task manager I just get a black screenand have to reboot.
HELP!?

[screaming]

What's the log say?

[spriggy]

What version of windows are u using?  It could be a few things.