Unhandled exception
ExceptionCode:    c0000005
Faulting Address:  1001678
Address:          78015195   C:\reactos\system32\msvcrt.dll
CS:EIP 1b:78015195
DS 23 ES 23 FS 3b GS 0
EAX: 00000056   EBX: 01001678   ECX: 00000002
EDX: 00000056   EBP: 0108fbec   ESI: 77e69700   ESP: 0108fbe8
EDI: 010052b0   EFLAGS: 00010246
Frames:
    1000000+2aaa       C:\reactos\system32\ultradefrag.exe
    1000000+39a2       C:\reactos\system32\ultradefrag.exe
    1000000+1c8a       C:\reactos\system32\ultradefrag.exe
   77e30000+38c53      C:\reactos\system32\user32.dll ( dll/win32/user32/windows/message.c:1177 (@IntCallWindowProcW@24) )
   77e30000+38e9e      C:\reactos\system32\user32.dll ( dll/win32/user32/windows/message.c:1304 (CallWindowProcW@20) )
   77e30000+28283      C:\reactos\system32\user32.dll ( dll/win32/user32/windows/dialog.c:1610 (DefDlgProcW@16) )
   77e30000+38c53      C:\reactos\system32\user32.dll ( dll/win32/user32/windows/message.c:1177 (@IntCallWindowProcW@24) )
   77e30000+38f32      C:\reactos\system32\user32.dll ( dll/win32/user32/windows/message.c:1325 (IntCallMessageProc@24) )
   77e30000+3969b      C:\reactos\system32\user32.dll ( dll/win32/user32/windows/message.c:1744 (SendMessageW@16) )
   77e30000+26dd8      C:\reactos\system32\user32.dll ( dll/win32/user32/windows/dialog.c:869 (DIALOG_CreateIndirect) )
   77e30000+28453      C:\reactos\system32\user32.dll ( dll/win32/user32/windows/dialog.c:1728 (DialogBoxParamA@20) )
    1000000+1ea7       C:\reactos\system32\ultradefrag.exe
   7c700000+22140      C:\ReactOS\system32\kernel32.dll ( dll/win32/kernel32/process/procsup.c:68 (BaseProcessStartup@4) )
(subsystems/win32/csrss/api/wapi.c:115) CSR: received hard error c0000144
(subsystems/win32/csrss/win32csr/dllmain.c:528) The instruction at "0x78015195" referenced memory at "0x01001678". The memory could not be "written".