There is a known problem with some systems offsetting pen lines etc.
My memory says that is Mac and or Linux related and can be resolved by installing the latest Morevna release
You may want to look around for similar topics and... hopefully someone will see this and post the link.
As always with troubleshooting it's good to post all your computer specs.
I don't know of any specific issues reported with monoprice graphics tablets.
The various types I see are here:
link
The very first thing I would do is double/triple check to make sure you have the most current driver for the specific tablet.
Good luck and let us know how you fair!