Demo wont install error 2503 (microsoft windows installer)

[Thesee]

Hi,

i’m trying to install the EZdrummer Demo on windows 10 64bit version 21H1.

Files are extracted, running EZdrummer Demo 64-bit.msi start the installer and then the 2503 error appear.

“Error 2503. Called RunScript when not marked in progress”

 

Thanks for help.

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[Thesee]

Ok, nevermind… solved executing installer using cmd prompt (run as administrator)

• This post was modified 3 years, 1 month ago by Thesee.

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