For many years now I have run several concurrent instances of DVBDream tuned into my Hauppauge Quad DVB-T tuner, TBS DVB-S quad, and two USB DVB-T dongles all without any issues.

That's 10 instances with all the tuners using the BDA interface at the same time - recording simultaneously without a problem.

Now, without any obvious changes (though probably a Windows update), in the past week or so (late Aug/early Sep '25), I cannot have more than one instance running via the BDA interface - all others have to now use the StreamReader interface.

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General Hardware Fault!
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Cannot Initialize DVB Hardware! ErrorCode:3
Application will work in Offline Mode
Please try StreamReader device interface (Go to main menu->Options->Device and select "StreamReader")
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OK
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Is anyone else experiencing this issue at all - possibly even have a fix?

(Frustratingly as well, StreamReader on DVBDream cannot access the third and fourth tuners of the TBS quad.)