Is there something called 'Use User Account Control (UAC)'

Is there something called 'Use User Account Control (UAC)' on Windows 8? I am having a hell of a time installing Adobe Acrobat (it used to work perfectly fine until 3 days ago). Nothing works whatsoever. The only hope I have now is that I saw one tip describing how to change a seting on the 'Use User Account Control (UAC)' and Adobe should install after that. How to resolve the error The...