FYI: SimpleHelp 5.3.5 Client Update Takes Awhile

Remote Support and Access
7

Depending on which version you were upgrading from, there was a new java runtime bundled with the more recent versions of 5.3 (it moved to Azul openJDK)… So may have had a more noticeable impact if you were updating a many machines in parallel and taken a bit longer than some of the smaller upgrades.