My OS is Windows 10.(64 bit). I have received an attachment in an email via Live Mail. When I try to open it, I get the message: Cannot open a PPS file with your present security settings. I have temporarily disconnected my AVG system, but to no avail. The message is now a file in documents but I still cannot open it. This message says: Unable to open using a 64 bit system - uninstall windows 2010 excel and word.
Would appreciate some assistance - thanks, Doug Coulson