ZBrush plugin: solving “Custom UI loads not properly while ZBrush starts“ issue

I find that some of my ZBrush colleage have an issue: sometimes after ZBrush starts several of theirs custom UIs elements disappeared. So, they have to press Preferences:Config:Restore Custom UI. I tried to solve this problem with Zscripting. Original idea of using code“ [If,[MemGetSize, ],, [MVarDef, 1,0]]“ by Marcus_Civus