If you are running Waves V12 plugins, please read before installing the 2021.1 Update. There is a bug in a Waves V12 program called WavesLocalServer that locks a component used by Cakewalk and prevents the installer from updating it. If you receive the Code 5 error trying to replace sndfile.dll from our installer,  the current workarounds are, either: 1. Reboot your PC before upgrading; or 2. End the WavesLocalServer process from within task manager, and click Try again W