CPIL error ??

Hello all!
I"nm very pleased with Comodo firewall. It’s the best I tested. Anyway I have the following problem with CPIL leak test (see attachement) I’m getting “explorer.exe” error. I don’t have Windows installed on "C:" partition but "D:". Could be this the problem? Does the program search for explorer.exe only in "C:" drive ?

Thanks!

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Don’t know if it will work, but try to run the CPIL-progran from D:\