I noticed that periodic ROTR starting Zero Hour instead ROTR. Often after I watch replay.
It was thats how:
I launched ROTR18.5 launcher. Then he dropped me on desktop with standart error. Then I launched with without any quick or windowed mode (standart). Then he started. I did watch replay. After that I exit a game switch on swr.net. Then launch ROTR. Instead ROTR he launch Zero Hour. Then I switched off quickstart mode a run a game ones again. Then the bug dissapeard