Does anyone else have a similar problem?
Windows 10 Pro, capable laptop
No such problem here.
What is your MainType version? Check for updates.
Is this MainType 9.0.0.1177 or an older release?
We’ve just released another update (MainType 9.0.0.1180) which solves some performance and stability issues.
You can download it from the download page, but you can also use the Update feature within MainType.
Let us know your results!