PDF Files being locked on Win 8.. Share on Facebook Post on reddit Tweet on Twitter Share on LinkedIn Home › Forums › Client Operating Systems › Windows 8 › PDF Files being locked on Win 8.. This topic has 2 replies, 3 voices, and was last updated 6 years, 5 months ago by Anonymous. Viewing 1 post (of 1 total) Author Posts jon80Member Apr 04, 2015 at 12:49 pm #165134 I am afraid some program is locking my PDF files, is this a virus? See http://www.symantec.com/business/support/index?page=content&id=TECH211589. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.