ProTools 12: MIDI crashing when playing VST in real time

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  • #31321

    Hi everyone!

    A student of mine is running the full version of ProTools 12 on his laptop (pc) BUT, although everything is fine, when playing his MIDI keyboard, the audio start to crash after few notes.

    If recorded and then played back, the MIDI notes are played correctly. The problem arises only when playing a VST instrument in “real time”.

    Any help?


    ps- 8 GB ram, built-in audio (no external audio card).

    Bang On Records Studios

    @ Wall_E

    I use Logic Pro X (not sure if this relates to ProTools) but a few things come to mind when that happens in LogicProX — has your student tried changing the buffer size? What about testing with a different VST instrument especially if the VST instrument causing the problem is 3rd party? And then there’s the CPU usage while using the VST – what does the CPU meter read?



    He tried everything you metioned but the problem still remains. I thought it might be related to the soundcard (internal).

    ASIO4ALL driver missing maybe?


    I wrestled with Pro Tools for years, with constant crashing and finally switched to Logic.. hasn’t crashed yet, and that’s with even more VST’s installed.


    Solved! ASIO4All driver missing.

    Bang On Records

    thanks for the update Wall_E Missing driver problems — isn’t the first time and won’t be the last.

Viewing 6 posts - 1 through 6 (of 6 total)
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