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  1. On a Mac running Windows 10, I installed AviSynth+ (3.5.1 from https://github.com/AviSynth/AviSynthPlus/releases, Media Player Classic from https://www.codecguide.com/download_k-lite_codec_pack_mega.htm ). I confirmed that the plugins folder at `C:\Program Files (x86)\AviSynth+\plugins64+` exists.

    I tested with a simple AVS script:

    Code:
    Version()
    And it fails on Windows Media Player, whose bottom bar reads "Windows Media Player encountered a problem while playing the file" and also on Media Player Classic, whose bottom bar reads "Cannot render the file". Neither displays any video content. The same happens after a restart.

    I have tested and used AviSynth+ with similar steps on a desktop running Windows before. I had the same problem on a virtual machine on Azure (https://forum.videohelp.com/threads/397272-AviSynth-fails-on-Azure#post2583518) and so now I wonder if I am doing something wrong or if AviSynth+ fails with virtualization and with Mac computers.

    Has anyone succeeded running AviSynth+ on a Mac computer?
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  2. WMP doesn't support AviSynth scripts. For MPC (HC? BE?) try ColorBars() instead of Version().

    Also, try a portable editor like VirtualDub2.
    Last edited by jagabo; 2nd Jun 2020 at 10:03.
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  3. I know nothing about it, or of it'll help you, but according to the changelog here, Avisynth now has native support for MacOS.
    https://github.com/AviSynth/AviSynthPlus/releases/tag/v3.5.0
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  4. Jagabo: Although Windows Media Player does not support AviSynth, it sometimes provides useful messages. For Media Player Classic, I installed Home Cinema. It is also showing "Cannot render the file" with a script with only "ColorBars()".

    Hello_hello: thanks for the good news! These instructions guide compilation of AviSynth on POSIX systems (macOS, Linux, etc.), and this thread reports successes and some workarounds. I'll have a try and report it there.
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  5. Originally Posted by miguelmorin View Post
    Jagabo: Although Windows Media Player does not support AviSynth, it sometimes provides useful messages. For Media Player Classic, I installed Home Cinema. It is also showing "Cannot render the file" with a script with only "ColorBars()".
    Just in case.... does the script have an avs extension or avsi? I've given scripts the latter extension by accident, or out of habit, and MPC-HC won't open them.
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  6. To hello_hello: yes, the scripts have the .avs extension. I just uninstalled AviSynth 3.5 and K-Lite Mega Codec Pack, restarted the computer, downloaded AviSynth 3.6 from https://github.com/AviSynth/AviSynthPlus/releases and Media Player Classic from https://www.codecguide.com/download_k-lite_codec_pack_mega.htm , reinstalled both, and tried again with my two scripts with
    Code:
    Version()
    and
    Code:
    ColorBars()
    I don't have a native Windows computer to try on that hardware. I will compile from source on a Mac computer this weekend.
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  7. Just as a data point... I've run AviSynth on a VMWare Win10 VM without any problems.
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