c# - Error 1001 An error occured in sending the command to the application -

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com excel addin, c#, vs2008 error happens when install/uninstall addin. see error 1001 specified file can not found

anyone know causes these , how fix? thanks

i use windows installer

http://msdn.microsoft.com/en-us/library/2w2fhwzz%28v=vs.90%29.aspx says if use [targetdir], should "[targetdir]\" or "[targetdir] ". use /filepath = "[targetdir]myinstallfile" in customactiondata
not understand works time , fails if change including space or backslash, can't tell if fixes issue since issue not happen every time. has experience?

i found , fixes issue though not sure ever use dde in program http://sympmarc.com/2010/02/04/microsoft-excel-error-there-was-a-problem-sending-the-command-to-the-program/


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