In the security settings, click Configure. Workaround: To fix this issue, do the following: 1. Issue: On launch, Premiere Pro is blocked by trend micro on Windows 10.Then, I created a brand new project file and pasted the sequence in the library. The fix was pretty simple, I opened my project file, right-clicked on my primary sequence, copied it to the clipboard. FIXED: Looks like I had a corrupted project file. Edit: I'm on the latest adobe premiere CC, and a 2017 iMac.Adobe Premiere Project Manager Unknown Error Occurred Failed.Premiere Pro Project Manager Unknown Error.Troubleshoot Error 'Premiere Pro Debug Event' when you select Keyboard Customization (Adobe Premiere Pro CS3, Windows)