Lexer stumbles on system headers

qtc.cpp.lexer: #endif without #if
qtc.cpp.lexer: on line 2335 of file C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/VC/Tools/MSVC/14.29.30133/include/type_traits
qtc.cpp.lexer: #endif without #if
qtc.cpp.lexer: on line 176 of file C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/VC/Tools/MSVC/14.29.30133/include/vcruntime_new.h
qtc.cpp.lexer: #endif without #if
qtc.cpp.lexer: on line 199 of file C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/VC/Tools/MSVC/14.29.30133/include/vcruntime_new.h
qtc.cpp.lexer: #endif without #if
qtc.cpp.lexer: on line 1043 of file C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/VC/Tools/MSVC/14.29.30133/include/ostream
qtc.cpp.lexer: #endif without #if
qtc.cpp.lexer: on line 918 of file C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/VC/Tools/MSVC/14.29.30133/include/istream
qtc.cpp.lexer: #endif without #if
qtc.cpp.lexer: on line 319 of file C:/Program Files (x86)/Windows Kits/10/include/10.0.19041.0/um/mmsyscom.h

could reproduce this with mmsyscom.h isolated inside the Desktop folder, just opened the file without any project