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Thread: Using RegOpenKeyEx

  1. Sep 27th, 2001, 10:20 AM #1
    Innofin
    Innofin is offline

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    Using RegOpenKeyEx

    I have a question about finding if a specified app is installed on a machine or not.
    I use:
    RegOpenKeyEx(HKEY_CURRENT_USER, SUBKEYTOPATH, &H0, KEY_READ, dwKey) and on most machines get a return code of , which is fine, but on some machines I get a return code = 2 even if the specified app is installed on the machine. Any ideas on what a return code of 2 means? Any ideas on how do do it better?
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  2. Sep 27th, 2001, 10:31 AM #2
    Gibbo
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    Opening keys

    Hi Innofin,

    I've had a similar problem before and it was due to user privilages and the type of OS the machine was running.

    Try using KEY_QUERY_VALUE instead of KEY_READ.

    Hope this helps.

    Let me know if it worked. Gibbo

    Gibbo
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