Grid and rulers messed up,project window is unusable.

This happens with projects from older versions as well as 9.I was waiting for 9.0.20 update,but it didn’t fix it.I can’t believe they wouldn’t fix it,unless it’s not a bug and it’s just me.Project opens fine,and when I double click on a midi or audio region,the grid turns into a mess,0 bar appears,ruler tracks no longer showing correct position etc…This makes c9 completely unusable.Please take a look at the screenshot.

iMac 27 , OSX 10.11

Have you done a safe start yet to check for corrupted prefs?

I can’t make out the details of what’s going on in your low res video.

i’ve disabled preferences and it’s gone now.silly me.
Thanks for quick reply!