vettalex | Reputations Questions vettalex4 QuestionsAnswersReputations Commented on a post Perfect, work it, thank's 2020-03-26 2 Asked a question Error unlocking step failedHi everyone, I have a problem with PDF24 installed on my PC. When I try to merge or separate files (pdf - word - excel etc ...) I get an error like in the photo. My operating system is windows 7 Pro x64.... 2019-09-27 2 Question and answer is powered by anspress.net