Cubase 11 crash when loading project

Hello,

it seems I can’t load a project that was running fine yesterday. Here is the dmp file.

Cubase 11.0.41.448 64bit 2025.11.24 10.51.25.544.dmp (650.6 KB)

I tried to disable the preferences settings, and renaming the VST3 folder, so that no plugin is loaded on startup. Sadly, none of this helps. I tried having a look at the dmp file, but did not find any information I could use. Any help would be appreciated!

Thanks

Looks like a crash in Cubase itself. Have you tried creating a new project and import the tracks from the old one?

Hallo fese and thanks for the reply,

I haven’t tried this and would like to keep it as a last resort solution. I’m in the middle of a mix and don’t want to start from scratch. I’ve loaded older projects that still work fine.

When reading the dump, something struck me. It seems that Cubase is assuming I’m running on Windows 10 (see picture below). I’m on Windows 11

That has nothing to do with Cubase, but with Windows 11 still using the internal kernel version 10. It’s normal.

I don’t think there is not much you can do about this, maybe the project got corrupted somehow. Do you have backup versions you can try? Or maybe even a different Cubase version?

Backup versions are loading correctly. I think I will start again from there. I lost 1 day of work, which is not so dramatic. Thanks for your help anyway!

It’s not over unfortunately. Everytime I open a .bak file and than save it, the newly created project file cannot be opened. The exception seems to be the same.

Cubase 11.0.41.448 64bit 2025.11.24 11.47.49.788.dmp (648.4 KB)

I’ll try to reinstall cubase and see if it helps

Reinstalling won’t likely help at all, unless your filesystem or disk is corrupted. Usually not worth it. You could try starting with a completely fresh configuration (move all the Cubase folders in %APPDATA%\Steinberg to another place for the time being), but if it happens only to this specific project, it might be specific to something in it. Hard to say whay, though…

I deleted the %APPDATA/Steinberg and it partially solves the problem, meaning that I now can save a bak file into a usable projects file.

I’ll mark your answer as solution

Thanks again for your help

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