We have a bug with Windows 98 Video

We have a bug with Windows 98 Video

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Well - it appears that there is a bug in the Virtual Machine Additions video driver for Windows 98 that was included with Virtual PC 2004 Service Pack 1.  The bug manifests itself in the following ways:

1) GDI+ applications crash if they try to draw a groupbox
2) Windows 98 Hebrew has font corruption problems
3) 8bit Fullscreen DirectX games (Warlords III, Curse of Monkey Island) only refresh the screen once every 2 to 3 seconds

Thankfully all of these problems can be resolved by turning the video acceleration under Windows 98 down two notches (Select 'Properties' on 'My Computer' --> 'Performance' --> 'Graphics' --> Turn hardware acceleration to one above 'None').  This doesn't negatively affect performance at all.

On a side note - this is one of the reasons why I appreciate the Microsoft WHQL Program (WHQL stands for Windows Hardware Qualification - and is what you need to do to get a driver to load without warnings under Windows 2000 and XP).  The WHQL program gives us a complete test suite to run on our Windows 2000 and XP video drivers - that ensures that we never have problems like this - on those platforms.

Unfortunately for Windows 98 we have to test the driver by just running a number of programs and confirming that there are no display problems.

Cheers,
Ben

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  • 98? Who cares.

  • Does reverting back the the pre-SP1 additions also work?

  • Hi Steve,

    It would address the Hebrew and GDI+ issues - but not the DirectX issue.

    Cheers,
    Ben
  • Thanks so much for this input. I just installed VM on Thursday nite. This could be the ultimate solution for the company I just started working for. They have a legacy order entry system that runs on a mainframe. It can't work in W2k or higher operating system. I've had some video weirdness during the close of the appplication and the VM window went haywire. But by Right-Alt to go full screen a few times refreshed the VM window and I was able to go on my testing way. We have over 80 computers that will now be able to be upgraded to Windows XP and run their legacy application. I am in awe with VM. Thanks for your input.
    Sincerely
    Pam_A

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