Installation failure on last Windows 11 64bit. Home › Forums › PDF24 Creator › Installation › Installation failure on last Windows 11 64bit. This topic has 0 replies, 1 voice, and was last updated 1 year, 1 month ago by bobb. Viewing 1 post (of 1 total) Author Posts 2024-02-17 at 14:51 #63432 bobbParticipant Hi, I have problem: I can't install program. I see. Product: PDF24 Creator -- Error 1920. Service 'PDF24' (PDF24) failed to start. Verify that you have sufficient privileges to start system services. Product: PDF24 Creator -- Installation failed. PDF24 service was not created. My local account is as administrator. Thanks for help. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In Log in / Register