If you have been experiencing issues with your Revit 2017, you may need to update with this Service Pack 2 which includes SP 1 as well.

Go to your Autodesk Desktop App for the SP2 download and below is the link of the Read-me.

http://up.autodesk.com/2017/RVT/Autodesk_Revit_2017_SP2_Readme.htm