Email synchronizing won't stop

Email synchronizing is struck and won’t stop. Computer restart didn’t help. Suggestions to fix, please.

Is this a new account you just added in recently?

No, I have two accounts that were added about i year ago. The problem is with only 1 account and it began a few days ago. I have since changed settings to not synch on start up but problem continues. Operations tab ( under Refresh) shows the process as frozen near the completion of the process.

No, I have two accounts that were added about i year ago. The problem is with only 1 account and it began a few days ago

Ok as this has just happened a few days ago, if you have been doing regular eM Client backups and have an IMAP, Exchange, Office 365 or iCloud account, then suggest to try restoring a recent backup prior to this problem via "Menu / File / Restore (PC) or “File / Restore” (Mac) & see if that fixes it.

However if you don’t have any recent backups, then suggest to try removing and readding the problem account via “Menu / Accounts” using either the automatic email wizard or manual option depending on your mailbox provider setup.

Note: If you remove and re-add your account, it will obviously take time again to re-sync till the acct messages are fully locally cached again.