Not sure about the first one, but the second one is definately familar ("TCP/IP has reached the security limit imposed on the number of concurrent TCP connect attempts."). This is normally malware. First of make sure you have no other internet related software running at the time. If you still have the error, follow PCHF Prework on my signature, post your
HJT log back here, and we'll get a member of security to check for malware.