Nothing I have done to ameliorate this constant voice server disconnecting, Internal library error 20, from recurring has worked. Firewall changes, run as Admin, even adding port forwarding (yes, I have complete control of my router) has made a difference.
This is a typical sequence:
[22:30:15] Connected to voice server. [22:31:17] Disconnected from voice server. Reason: Internal library error 20
[22:31:21] Disconnected from network.
[22:31:23] Connecting to network...
[22:31:23] Connected to network.
[22:31:23] SERVER: Welcome to VA