i tried to post the diagnostic report but your site won't allow me to do so
R Session Startup Failure Report
09 Jul 2021 01:39:17 [rsession-ASUS] ERROR system error 10107 (A system call has failed); OCCURRED AT class rstudio::core::Error __cdecl rstudio::core::http::initTcpIpAcceptor(class rstudio::core::http::SocketAcceptorService &,const class std::basic_string<char,struct std::char_traits,class std::allocator > &,const class std::basic_string<char,struct std::char_traits,class std::allocator > &) src/cpp/session/http/SessionWin32HttpConnectionListener.cpp:91; LOGGED FROM: int __cdecl main(int,char *const ) src/cpp/session/SessionMain.cpp:2048
09 Jul 2021 02:15:13 [rsession-ASUS] ERROR system error 10107 (A system call has failed); OCCURRED AT class rstudio::core::Error __cdecl rstudio::core::http::initTcpIpAcceptor(class rstudio::core::http::SocketAcceptorService &,const class std::basic_string<char,struct std::char_traits,class std::allocator > &,const class std::basic_string<char,struct std::char_traits,class std::allocator > &) src/cpp/session/http/SessionWin32HttpConnectionListener.cpp:91; LOGGED FROM: int __cdecl main(int,char *const ) src/cpp/session/SessionMain.cpp:2048
09 Jul 2021 02:32:14 [rsession-ASUS] ERROR system error 10107 (A system call has failed); OCCURRED AT class rstudio::core::Error __cdecl rstudio::core::http::initTcpIpAcceptor(class rstudio::core::http::SocketAcceptorService &,const class std::basic_string<char,struct std::char_traits,class std::allocator > &,const class std::basic_string<char,struct std::char_traits,class std::allocator > &) src/cpp/session/http/SessionWin32HttpConnectionListener.cpp:91; LOGGED FROM: int __cdecl main(int,char *const ) src/cpp/session/SessionMain.cpp:2048