Undo Deleted Portion of Subtool Crashes ZBrush

[Regnan]

I can reproduce this bug on different computers using ZBrush.

If you, hide a portion of a subtool, then ‘delete hidden’. Then try undoing this.

There is a very frequent ‘total program crash’ of Zbrush when you hit undo.

Hopefully this could be fixed?

I definitely have lost work a few times from this bug.

Also, often I heard ’ use auto-save '.

Most people turn off auto-save. Because auto-save when your file is 800mb or more, becomes a random, slow pause while you are trying to work, that becomes too distracting / interrupts work.

[Spyndel]

I can’t reproduce this in Zb4r6p2. Make sure you have the most up to date program version.

It’s probably an issue with your specific tool/subtool, and some problematic geometry. In any event, if a crash is reproducible, it needs to be submitted to Pixologic support directly. Make a support ticket, and provide them with the file in question. There’s little that can be done about it here, and the issue may very well not be seen by the people you need to investigate it.

It’s always frustrating to lose work, but you probably shouldn’t speak for what “most people” do. However you are correct that you shouldn’t rely on auto save. In any graphics program, from Zbrush to Photoshop, you should save manually, often, and in an alternating series of iterative files.