I don't have Beta access, but getting launcher errors pretty regularly since the 2.3 Beta went live. I have not encountered these issues before.
Win 10 Home Anniversary / i5 / 64Gb SSD + 512Gb HDD / 20Gb RAM / Nvidia 980Ti / 1440p Ultra
1. Run the launcher, and nothing appears - although the process is still running in the background. Attempting to relaunch returns a message along the lines of, 'You cannot run more than one copy of Elite Dangerous at one time". Requires task kill, or can lead to error in point 3.
2. Run the launcher, and it locks up / greys out. requires killing process from Task Manager and then relaunching.
3. Run the launcher and get the following error about time sync. Nothing obviously wrong with system clock so guessing this is server side. Application quits, usually works again on relaunch: