Application Exception in Snaprint.exe When Stopping Printer

SYMPTOMS

function: RtlpWaitForCriticalSection
        77f6cbda e920010000       jmp     RtlpWaitForCriticalSection+0x196
(77f6ccff)
        77f6cbdf 803d7859fa7701
ds:77fa5978=01
                                  cmp     byte ptr [fltused+0xca8
(77fa5978)],0x1
        77f6cbe6 1bc0             sbb     eax,eax
        77f6cbe8 25c05afa77       and     eax,0x77fa5ac0
        77f6cbed 837e1000         cmp   dword ptr [esi+0x10],0x0
ds:62182e82=????????
        77f6cbf1 8945fc           mov     [ebp-0x4],eax
ss:02f3e90e=????????
        77f6cbf4 7506             jnz     RtlpWaitForCriticalSection+0x93
(77f6cbfc)
        77f6cbf6 56               push    esi
        77f6cbf7 e804feffff       call    RtlDumpResource+0x8f (77f6ca00)
        77f6cbfc 8b06             mov     eax,[esi]
ds:60da447c=00000000
FAULT ->77f6cbfe ff4010           inc     dword ptr [eax+0x10]
ds:013dea06=????????
        77f6cc01 8b06             mov     eax,[esi]
ds:60da447c=00000000
        77f6cc03 ff75fc           push    dword ptr [ebp-0x4]
ss:02f3e90e=????????
        77f6cc06 6a00             push    0x0
        77f6cc08 ff4014           inc     dword ptr [eax+0x14]
ds:013dea06=????????
        77f6cc0b ff7610           push    dword ptr [esi+0x10]
ds:62182e82=????????
        77f6cc0e e81db6ffff       call    ZwWaitForSingleObject (77f68230)
        77f6cc13 3d02010000       cmp     eax,0x102
        77f6cc18 0f85b2000000     jne     RtlpWaitForCriticalSection+0x167
(77f6ccd0)
        77f6cc1e 57               push    edi
        77f6cc1f 68d4caf677       push    0x77f6cad4
        77f6cc24 e8cb940000       call    DbgPrint (77f760f4)