I'm trying to install the mandatory upgrade. I've downloaded the .exe file fine, but when I double-click it, the installer runs for about a second, then quickly terminates. It does have time to erase the c
rogram files\esignal\formulas\advanced\jan arps crown jewels subdirectory and files. I've tried running the file from c:\temp and the program files location, but no luck. Any suggestions?

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