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Can't update Quickbooks ERROR message read-only volume like a disk image or an optical drive.

I can't seem to update my Mac version of Quickbooks. The error I get reads,
"QuickBooks can’t be updated when it’s running from a read-only volume like a disk image or an optical drive. Move QuickBooks to your Applications folder, relaunch it from there, and try again."

I have tried moving and relaunching. I tried downloading Chrome versus Safari. 

I currently show, in the applications folder, an alias QB, application QB and then the business as a QuickBooks Company file. I've moved them all out of applications folder and relaunched. No luck. 

Any other help is appreciated.