Pdf24 creator installation error - Windows 10 Home › Forums › PDF24 Creator › Installation › Pdf24 creator installation error - Windows 10 Tagged: installation;pdf24; mistake5; error; code; classes; shell; regsetvalueex; key; record; Accessdenied; This topic has 0 replies, 1 voice, and was last updated 4 years, 7 months ago by thiagoaf19. Viewing 1 post (of 1 total) Author Posts 2019-08-06 at 17:25 #6125 thiagoaf19Participant Warning Dialog Box: Error 'Error writing registry key: HKEY_LOCAL_MACHINE \ Software \ Classes \ PDF24.Reader \ Shell \ Open \ Command RegSetValueEx failed; code 5. Access denied. Click Retry to try again, Ignore to continue anyway, or Abort to cancel installation. ' I need to fix this urgently. Thank you 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