AVD Pixel 3a API 29 is already running.
If that is not the case, delete the files at
E:avd,androidavd/Pixel 3a API 29.avd/*.lockandtry again.
delete the files atE:avd,androidavd/Pixel 3a API 29.avd/*.lockandtry again这里应该是个路径,意思是你吧这个路径下的lock文件删了再试试