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Unsupported 16-bit application

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#1 drpandya


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Posted 05 March 2011 - 06:07 AM

Hello All,
I have a new laptop at last and it has Windows 7 Home Premium 64-bit OS. I've been doing quite well with all the new features but have hit a problem trying install cobol compiler. It won't load and I get the message: 'Unsupported 16-bit application. The programme or feature "\??\D:\Setup.exe" cannot start or run due to incompatability with 64-bit versions of Windows. Please contact the software vendor to ask if a 64-bit Windows compatible version is available.'
Best wishes.

Edit: Moved topic from Introductions to the more appropriate forum. ~ Animal

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#2 Romeo29


    Learning To Bleep

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Posted 05 March 2011 - 07:31 AM

Welcome to BleepingComputer :)

Older 16-bit applications are run using NTVDM in Windows NT based OS (2000, XP, Vista, 7). NTVDM is not included in 64-bit editions of Windows.
As such you cannot run 16-bit applications in any of the 64-bit editions of Windows.

You can try installing an older 32-bit edition of Windows (like Windows 98) inside a virtual machine using Virtual PC or Virtual Box. Then install your older Cobol inside this Windows 98.

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