Now I have compiled 64 and 32 bit versions 1.10 in turn (VS2015).
Based on : https://github.com/tx00100xt/SeriousSamClassic
and https://github.com/tx00100xt/SE1-TSE-Sequel
I created servers and tested them. Everything works on Windows 10 x64.
Here is the meaning of the additions. Mark the entities that are being created in any way for cluster grenades.
And then find them in the "ReceiveDamage" caused and make "return".
These entities are then destroyed anyway (cluster grenades)
If the code was added correctly, it may be due to the difference between versions 1.07 and 1.10
I'll think about it later. About why it didn't work on version 1.07. I don't have VC6 environment installed yet