In most cases, this is a server-side issue brought to life by the security certificate that the specific server Windows Live Mail tried to use presented not matching the URL being used to connect to it. However, in some cases, this problem can also be caused by hiccups or issues at the client’s end. The following are some of the most effective solutions that you can use to try and resolve this problem:

Solution 1: Wait out the storm

Server-side hiccups are the most common cause of this problem, and if the cause is server-side, the problem is almost certainly going to be temporary. That being the case, if you have run into this issue, your best bet would be to simply close down Windows Live Mail and check back in a few hours or so to see whether or not the problem has been resolved. If a significant amount of time goes by and the issue persists, the cause may not be server-side at all and may, in fact, be on your side.

Solution 2: Restart your computer

Many Windows users affected by this issue have had success with simply restarting their computers and being able to successfully sync with their email accounts upon their computers booting up. So, simply:

Solution 3: Remove and then reconfigure your email account

Another effective solution that you can use to get rid of this issue is to remove your email account from Windows Live Mail and then reconfigure it as certain settings and/or preferences specific to your email account could also be the culprit behind this issue. There’s a pretty decent chance that completely removing your email account from Windows Live Mail and then reconfiguring it from scratch will help you get rid of this problem.

Solution 4: Ensure that your computer’s SSL settings are correct

Solution 5: Make sure that your computer’s proxy settings are correct

Solution 6: Make sure that Internet Explorer is not set to work offline

If you have Internet Explorer set to work offline, Windows Live Mail will not be able to access the internet and, as a result, will not be able to sync with and retrieve email messages from your email account. That being the case, making sure that Internet Explorer is not set to work offline is definitely worth a shot. In order to do so, you need to:

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