Steinberg Library Manager - *vst could not be opened

For the past few months Dorico has been loading with problems being flagged up in the Library Manager. I’ve put the samples on a different hard drive. I use Note Performer most of the time so I’ve shrugged it off - it’s just annoying.

It happened again today while loading up Dorico 5. If anyone else is getting the same issues, I found a temporary fix on Steinberg’s Support Page.

Have you checked the file permissions?

I’m certain the error message you’re seeing is telling you something real, i.e. that the file permissions on those files are set incorrectly.

Thanks Ben and Daniel.

I’m sure the message was real and if I’d wanted to use the files I would have run into problems. I applied the fix and everything now seems to be fine - I’ve loaded up a couple of instruments in Halion and they work. FWIW I’m interested at taking a look at Groove Agent.

I’d previous tried to reset the directories using the Library Manager but that approach didn’t work.

I posted it here as a fix just in case anyone else has the same issue.

Hi all,
I’ve had all the following VST plugins fail when using Steinberg Download Assistant.

  • Flux
  • Groove Agent ONE
  • HALion Sonic SE Common Presets Content
  • HALion Sonic SE Content
  • HALion Sonic SE Trip

I’ve included a couple of screenshots as examples.
Note that nothing was mentioned about Permissions.

Here’s a ls -l listing selection of the downloaded files and the target directory.
Permissions are fine.

/Users/gps_imac/Downloads/Steinberg/OSX/:
drwxr-xr-x 3 gps_imac staff 96 5 Sep 2023 Dorico 5.0.20 Application Installer
drwxr-xr-x@ 3 gps_imac staff 96 9 Jul 18:02 Flux
drwxr-xr-x@ 5 gps_imac staff 160 9 Jul 17:59 Groove Agent ONE
drwxr-xr-x 3 gps_imac staff 96 5 Sep 2023 HALion Sonic 7.0.10 – Instrument (recommended)

/Users/gps_imac/Library/Application Support/Steinberg/Content/VST Sound/:
drwxr-xr-x 2 gps_imac staff 64 5 Aug 2022 User Content

Question:
Can I simply move the files?
Am I right in assuming they go into the “VST Sound” directory and not inside the “User Content” directory?

Regards.

Open your Mac’s System Preferences and select Security & Privacy. In the Privacy tab, choose Full Disk Access. Click the lock icon in the bottom left of the window and enter your macOS password. Ensure that Steinberg Library Manager appears in the list.
After that try again to move the files.

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Thank you Ulf.

I keep forgetting about Security — perhaps Steinberg might add a reminder in their installer app?

I should also mention for others that it was the “Steinberg Download Assistant” I was using but the same advice applies.

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