file:f:\vctools\vc7libs\ship\atlmfc\src\mfc\occcont.cpp

出现图中的错误，本人比较菜，网上类似的问题也参照了，但是还是行不通，求大神讲解！！！
点击图中的中止，stack frame中就会显示
不知道具体什么原因，输出窗口中输出的是
'TVADD.exe': Loaded 'C:\Windows\System32\riched20.dll', Cannot find or open the PDB file
'TVADD.exe': Loaded 'C:\Windows\System32\cryptbase.dll', Cannot find or open the PDB file
'TVADD.exe': Loaded 'C:\Windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_41e6975e2bd6f2b2\comctl32.dll', Cannot find or open the PDB file
Warning: OleInitialize returned scode = RPC_E_CHANGED_MODE ($80010106).
Warning: Resource items and Win32 Z-order lists are out of sync. Tab order may be not defined well.
TVADD.exe has triggered a breakpoint
串口通信已注册，高分跪求大神帮忙啊！！！