I appreciate all the help and im trying what you said. It's not that we haven't had DC's while solo, it's that it is more frequent and nigh predictable with 4 people. We've all had DCs that dont fit the profile but if we do TTF at least one of us will DC on Del. Urrtime.
The DEP, yah I had to do that to fix my error with ranged attacks. It isnt a psobb.exe error. The affected player freezes and after a bit will get a No100 no connection error.
My friends and I decided to get back into PSO. We all live together, 2 PCs, 2 laptops, 1 router. Whenever we play the game is mostly fine, outside of a random DC. But without failure, whenever we run TTF at least one player lags out on the boss animation screen for Del Rol Le. Is this because...