ccleaner won't open after windows 10 march 2020 update

Just updated Windows 10 Pro to OS Build 18363.752 (version 1909). It's the March 2020 update. Now my ccleaner won't open. deleted and reinstalled several times still doesn't open. Notice in the task master does show up in apps, but occasionally shows up in background.

Any help?

It appears to be an anti virus issue with some, but not all, AV's stopping CCleaner from running.

See here for a message from the Piriform staff:

https://community.ccleaner.com/topic/57674-ccleaner-stopped-working/?tab=comments#comment-317484