are you using a mouse to draw or some kind of pen?
I use both, but I've only had it happen while using the mouse
1 person found this helpful
i've not heard of that using a mouse. there are lots of problems with people using pens.
reset your preferences -
adobe media encoder: https://forums.adobe.com/thread/1713540
after effects: http://helpx.adobe.com/after-effects/using/preferences.html
muse (mac): https://forums.adobe.com/thread/1246022?tstart=0
photoshop elements: https://helpx.adobe.com/photoshop-elements/kb/preference-file-locations-photoshop-elements .html, http://www.photokaboom.com/photography/learn/Photoshop_Elements/troubleshooting/1_delete_p references_file.htm
if that fails, uninstall, clean (http://www.adobe.com/support/contact/cscleanertool.html) and reinstall