Error at connection: "Access Violation at address xxxx..." and see graphical square shapes or Asian characters (58373)

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Error at connection: "Access Violation at address xxxx..." and see graphical square shapes or Asian characters (58373)

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Title

Error at connection: "Access Violation at address xxxx..." and see graphical square shapes or Asian characters
Description

Issue 1:
After recently installing Toad 10.x, the following error at connection: "Access Violation at address xxxx...." occurrs. The error can be bypassed by clicking OK.
However, there are graphical square shaped characters throughout Toad or Asian type characters, such as data in Data Grid, object names in Schema Browser, etc.
Issue 2:
When trying to connect, Toad displays an error message that has Asian characters at the top:

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