Access violation at address 5134E27F in module 'dsnap260.bpl'. Read of address 00000000.
这是先装delphi10.3,再装Delphi7造成的。解决办法，
将Midas.dll从C:\Program Files (x86)\Embarcadero\Studio\20.0\bin\midas.dll
覆盖 掉C:\Windows\SysWOW64\midas.dll
