Can't move the clips in the timeline of Premier Pro

[active_Lionheart5DB1]

Help Please!
Can't move the clips in the timeline. After opening Premiere Pro, the unidentified black box at the top appears and can't be removed. Additionally, Premiere Pro can't be used.
Someone, please, help me get rid of this problem.

[Peru Bob]

Try updating or rolling back your graphics driver directly from the video card manufacturer’s site. If NVIDIA, do a clean installation of the latest Studio Driver (NOT the Game Driver).

If that doesn't work, try creating a new project and import the old one into it.

[IanB_360]

Hi @active_Lionheart5DB1 

and welcome to the Premiere Pro Forum community.  Thank you for taking your time to report a problem. The team just needs a little more information to begin troubleshooting. The link here How to Report a Problem , has steps to providing more information about your bug that can help us identify the issue. 
Here to help.

Ian