Outlook quota information not updating
For more details see; Disable virus scanner integration?
For instance, the following time-out issues are often a result of this; -The operation timed out waiting for a response from the receiving (POP) server -A time-out occurred while communicating with the server Other issues that are often caused by having a virus scanner integrated with Outlook are; -Outlook being very slow in collecting your email -Messages ending up stuck in your Outbox (also see below) -Messages being sent but never received -Sending or receiving blank messages -General message corruption Disabling your virus scanner’s integration with Outlook does not compromise your security as you’d still be sufficiently protected by the on-access scanner part of the virus scanner.
Since with some updates the gets updated as well, you’ll need to accept it as safe again.
You can find more information about this in the manual of your firewall solution.
Also, sometimes they have merged with other ISPs and decommission the old account settings over time requiring you to make changes.
Trying your account settings on another computer or creating an additional mail profile for testing could help you determining if it is an issue with your current account configuration settings.
If you are presented with send/receive errors after updating Outlook, you probably need to reconfigure your firewall to re-allow Outlook to pass-through again.