The 11.0.1 update was specifically issued to fix issues reported in the version 11.0 launch. Users typically access these updates through the under the "All Apps" section. Core System Requirements
Minor UI glitches found in the early 2017 workspace. Adobe Premiere Pro CC 2017 11.0.1
Windows 7 (SP1), 8.1, or 10 (64-bit); or macOS 10.10 or later. The 11
Crashing during playback or when using specific third-party plugins. or 10 (64-bit)