After hitting the Update button, the dreaded “waiting” state shows up, only to not be accompanied by any progress, shape of form.
Launching Console yields no discernible results apart from an off-putting occasional line that reads:
The connection to ACDAccountStore was invalidated.
It is time to empty the Mac AppStore caches.
- Close the AppStore.app
- Preferably kill the
appstoreagent
process- In a terminal:
killall appstoreagent
- In a terminal:
- Open
~/Library/Caches/
- Delete the
com.apple.appstore
folder - Open
/private/var/folders
- Search all of the subfolders and delete all instances of
com.apple.appstore
- Restart your Mac