Open or Save Dialogs freeze.
When we select "Library" in an Open Dialog or a Save Dialog, the dialog can freeze in a long term.
In such a case, if we select Cancel, BASIC can be obstructed in normal behavior.
The cause is unknown, but we can avoid such a defect.
We operate on the Environment Option Dialog in the Option menu.
(1) Decrease Virtual Stack memory.
(2) When the above can not be adopted, use old-style dialogs.