Launch Reader DC,Edit>Preferences>Security (Enhanced) uncheck Enable Protected Mode at Startup ... View more

JWaguespack - I did what Anubha suggested to disable Protected Mode and so far so good.  Pop-up free for several hours. I work with PDFs all day as well --  Have you ever seen this in IE 11?  It happens when I open a second pdf, a new tab launches then displays this...- ... View more

Yes - but launches as Adobe Acrobat Reader DC. I've disabled Protected Mode now.  I'll let you know what happens.  Also this recently happens when I open the 2nd pdf from IE 11. ... View more

that didn't take long... It just popped up.  This just started happening after we installed the latest updates for Adobe Acrobat and Reader/  We have X Pro ... View more

Yes Windows 7.  We'll read and try that. Will let you know results.Thank you Anubha. best- Lisa ... View more

Hi Adobe: I am having the same issue, but I have Acrobat X Pro.  I think we disabled Reader 11 as it was causing conflicts.  We'd like to continue using X Pro - please advise. Thank you ... View more