Microsoft Security Essentials is no doubt a very good anti-virus and anti-malware software that can protect your system from most latest and advanced viruses and malwares. There are few things that can make you sick and you would think of getting rid of this software but you can find the solutions of every error happen during the use of this software. A number of errors can come because of internet connectivity and Microsoft Security Essentials won’t update. I shared a complete list of errors that can arise due to internet connectivity.