The only thing we, users, need is a bit of free CPU to do our work (not Dropbox's). As soon as I have a free second, I would love to read about placeholders. Simply restart the Mac offers a temporary fix to the WindowServer process misbehavior.
You might want to restart or adjust the Mac a bit more often. If you’re one of those Mac users who can’t reboot or shut down their Mac, but you’re encountering WindowServer high CPU problems. High WindowServer CPU Usage -> Reboot or Shut down.If your browser still consumes huge amount of CPU resource, try to restart your iMac, or MacBook. Ensure Google Chrome closed all it's process, otherwise stop them manually. You should start with restarting your browser, first close the Google Chrome, open your Mac's Activity Monitor which is under Utilities folder.Cause This can be caused by compressed file scanning in SEP for Mac, and some relief may be obtained by disabling compressed file scanning where it is unnecessary. The SymDaemon process may consume a high amount of CPU in Symantec Endpoint Protection (SEP) for Mac.Is there a way to permanently remove SymDaemon? I have to constantly continue to quit the process over and over. Something called SymDaemon constantly goes up to over 50% CPU usage and heats up my Mac like crazy.