The PDB appears after C + + or what Balabala has loaded the symbol.

"STL common sort algorithm. exe" (WIN32): "E:\vs2015\project\stl commonly used sorting algorithm \debug\stl. exe" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\ntdll.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\kernel32.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\KernelBase.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\msvcp140d.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\vcruntime140d.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\ucrtbased.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\api-ms-win-core-timezone-l1-1-0.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\api-ms-win-core-file-l2-1-0.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\api-ms-win-core-localization-l1-2-0.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\api-ms-win-core-synch-l1-2-0.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\api-ms-win-core-processthreads-l1-1-1.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): Loaded "C:\Windows\SysWOW64\api-ms-win-core-file-l1-2-0.dll ". The symbol is loaded. Debug Assertion failed! Program:c:\windows\system32\msvcp140d.dllfile:e:\vs2015\vc\include\algorithmline:2408expression:sequence not Orderedfor information on what your program can cause a assertionfailure, see the Visual C + + documentation on asserts. (Press Retry to debug the application) "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\user32.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\gdi32.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\lpk.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\usp10.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\msvcrt.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\advapi32.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\sechost.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\rpcrt4.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\sspicli.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\cryptbase.dll" is loaded. The symbol is loaded. The STLCommon sort algorithm. exe "(WIN32):" C:\Windows\SysWOW64\imm32.dll "is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\msctf.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\uxtheme.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\dwmapi.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\ole32.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "E:\youdao\WordCapture\WHook.dll" is loaded. Unable to find or open PDB file. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\oleacc.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\version.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\psapi.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\shell32.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\shlwapi.dll" is loaded. The symbol is loaded. "STL common sort algorithm. exe" (WIN32): "C:\Windows\SysWOW64\oleaut32.dll" is loaded. The symbol is loaded. Thread 0x3774 has exited with a return value of 0 (0x0). Program "[14152] STL common sorting algorithm. exe" has exited with a return value of 0 (0x0).

Don't panic. Do not use the Internet to start the source service Balabala, this may be your logic error. For example, there is no memory allocated.

The PDB appears after C + + or what Balabala has loaded the symbol.