Hello, please be informed that Parallels Desktop 10 Update 4 (10.4.0-29337) was released and the issue has been addressed. Please update Parallels Desktop to the latest build. Latest version always available here: http://www.parallels.com/directdownload/pd10/ Please note that Parallels Tools also needs to be updated (Actions > Update Parallels Tools) and let us know how it works. Thanks!