I'm getting error: "QSys_Activate failed: Activate: Couldn't fetch key from activation server. (E6023656)"

SN: CX1336CAD00230

Can you provide the license key?

Note, If it matters, I had to downgrade back to 2.3.0.3 for this SN/Key.  I had been running on this but tried upgrading to 2.3.4. On 2.3.4 I can't copy any files larger than a few MB without it crashing and going into Diagnostic mode. (Blockpool failures/restarts)  I have the same problem with a fresh install of v 2.3.4 also, so I'm just going to stay on the older 2.3.0.3 version that seems to work fine.  I'm just mentioning this in case the upgrade and subsequent downgrade has cause a problem with the SN/Key.