So I have The Ultimate Collection and I bought it on Origin like my friend.
Problem is we can't play with each other because we fail to connect with each other.
We both have Windows 10.
My log file says
" ----- C&C:Online Launcher Start -----
Game: Kane's Wrath
Kane's Wrath Install Path: D:\Games\Command and Conquer 3 TW and KW\Command Conquer 3 Kanes Wrath\
Started game with: ""Command Conquer 3 Kanes Wrath\CNC3EP1.exe""
Caught CREATE_PROCESS_DEBUG_EVENT from Kane's Wrath. Detaching...
Found game.dat process. PID 7656
*** Starting CA public key patching routine ***
CA public key is expected value.
Successfully patched CA public key.
*** Starting hostname hooking routine ***
Injecting DLL into game.dat process...
Result of injection: Code -1073741582 "
I attached a screenshot of NATNegTest result.