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Please offer an explanation on how the Adobe Reader works when embedded into a win form. Ideally my app's setup comes with setup for Adobe Reader XI so that it is sure to be installed when the app runs. I tried in on my PC and it worked, but running it on another PC gives the following error:

Unhandled exception has occurred in your application. If you click Continue, the application will ignore this error and attempt to continue. If you click Quit, the application will close immediately.

Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG)).

This error always occurs just before the form with the embedded PDF Viewer is supposed to display, so my app never makes it past this point. Is there something else I need to add to the app?

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Bafana Gama
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1 Answers1

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What is the target platform your application. Change Target Platform to x86 and check.

Refer "Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG))"

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Balagurunathan Marimuthu
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