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Editorial Team
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Asked: 2026-05-19T16:51:06+00:00

I’m playing about with one of the kernel driver examples in the Win7 DDK.

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I’m playing about with one of the kernel driver examples in the Win7 DDK. I can modify compile and build my *.sys file. I can install it too with its INF (using device manager or devcon) or using the Service control manager directly. When I make the next change though and generate an updated *.sys file I seem to get a conflict between this new file and my now stopped driver (I’ve tried using Servcie Control Manager ‘stop’ and ‘delete service’ etc). If I reboot, I can install the new driver and run it fine. Similarly, if I choose uninstall in Device Manager, Windows prompts me to reboot.

So, how can one easily test incremental modifications to a kernal driver easily?
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1 Answer

  1. Editorial Team

    Looking at the Setup API logs might be a good place to start: http://msdn.microsoft.com/en-us/library/ff550887%28v=VS.85%29.aspx

    If devcon prompts for a reboot, you could look at the code in the DDK, debug why it’s asking and dig into the issue that way as well.

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