android studio - Cannot start emulator symbol not found

i unable start emulator. giving error

cannot launch avd in emulator. output dyld:symbol not found _avmediatypevideo

i have tried restarting android studio, rebooting system. can help?

happens after upgrading android sdk tools 24.1.2 rev 24.3

upgrading sdk tools 24.3.1 24.3.3 fixed issue me. can update sdk tools via sdk manager in android studio.

Abdulaziz