Note: When making changes to Day Light Saving settings you must reboot the computer for the changes to take effect.
Changes to file permissions for installed Directory Server Enterprise Edition product files can in some cases prevent the software from operating properly.
It's possible that another running program or a previous instance of Firefox that did not close properly is interfering with the Firefox update process.
This error can also occur if you share your computer with other users, and another user's account is still logged in with Firefox running.
The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel.
For more information, see General VMware Tools installation instructions (1014294).
Verbose logging makes things much more difficult in the majority of cases.
Description: This article describes how to troubleshoot common problems that can occur when Sent Items Update is enabled.
Error 4 Warning: There was an error updating Sent Item for the sender The operation cannot be performed because the item is out of date. If any of these are incorrect or out of date then Sent Items Update will be unable to locate the message for updating and fail with a warning after 5 minutes.
Therefor it is important to ensure that the date and time as well as Day Light Savings settings are configured the same between the server and client.