Inno Setup: Run regsvr32 with a specific working directory

https://stackoverflow.com/questions/36332189/inno-setup-run-regsvr32-with-a-specific-working-directory

You cannot. The regsvr32.exe that Inno Setup runs internally to (un)register DLLs is explicitly run from a system directory (typically the C:WindowsSystem32).

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Your workaround is the best way.

Just add an equivalent [UninstallRun] entry to unregister the DLL:

[UninstallRun]
Filename: "{sys}
egsvr32.exe"; Parameters: "/u /s Awkward.dll"; WorkingDir: "{app}"; 
    Flags: runhidden;

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Or even better, fix the DLL not to rely on a working directory. You can use the LOAD_WITH_ALTERED_SEARCH_PATH flag for the LoadLibraryEx.

See also Dynamic-Link Library Search Order.

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edited May 18 '20 at 9:38

 

 

answered Mar 31 '16 at 11:42

Martin Prikryl