Are you trying to access a branded system, or is it a different brand like Lorex or Amcrest ?
(for legacy software):
It's a "necessary evil" for anyone maintaining older surveillance systems. It’s reliable once active, but getting there requires a bit of digital archaeology. How to Install (The Modern Way) Webrec.cab download install
In rare cases, Webrec.cab appears as part of Windows XP Embedded components for terminal services or remote recording. Are you trying to access a branded system,
Refresh the page. A notification bar should appear at the bottom or top asking to install the or WebPlugin . Webrec.cab download install