When ever I start an application (which is a proprietory tool) i get this access violation error thrown up by Dr Watson. See the drwtsn32.log if it helps. Application exception occurred: App: (pid=201) When: 3/18/2003 @ 14:20:21.356 Exception number: c0000005 (access violation) *----> System Information Task List 77e8307f f6437bc0 test byte ptr [ebx+0x7b],0xc0 ds:00efea07=?? 77e83083 0f8520010000 jne DrawStateW+0x14e0 (77e831a9) 77e83089 83fe2f cmp esi,0x2f 77e8308c 0f86a0000000 jbe DrawStateW+0x1469 (77e83132) 77e83092 83fe37 cmp esi,0x37 77e83095 0f840e010000 je DrawStateW+0x14e0 (77e831a9) 77e8309b 83fe39 cmp esi,0x39 77e8309e 0f8405010000 je DrawStateW+0x14e0 (77e831a9) 77e830a4 81fe10010000 cmp esi,0x110 77e830aa 0f84f9000000 je DrawStateW+0x14e0 (77e831a9) 77e830b0 81fe32010000 cmp esi,0x132 77e830b6 0f83d7000000 jnb DrawStateW+0x14ca (77e83193) *----> Stack Back Trace 0012fc88 5f4021e6 008bb5b8 000080c2 00000000 0044d8f4 !Ordinal4424 0012fcb8 5f4028fa 000080c2 00000000 00000000 00000000 !Ordinal4424 0012fcf0 5f402ae5 000080c2 00000000 00000000 00000000 !Ordinal4427 0012fd40 5f402b46 00000000 00000000 008bb5b8 008bb5b8 !Ordinal4441 0012fdd8 5f401aff 00000111 000080c2 00000000 0012fdf4 !Ordinal4436 0012fdf8 5f401a88 00000111 000080c2 00000000 005a9ee0 !Ordinal6374 0012fe58 5f401a10 00000000 0002028a 00000111 000080c2 !Ordinal1109 0012fe74 5f4019cf 0002028a 00000111 000080c2 00000000 !Ordinal1578 0012fea0 77e7124c 0002028a 00000111 000080c2 00000000 !Ordinal1579 004c0e7c 00000000 00035b3e 000002b5 0000009a 00000000 user32!TranslateMessageEx 000080c2 00000000 00000000 00000000 00000000 00000000 ! *----> Raw Stack Dump Stack Back Trace State Dump for Thread Id 0x3c eax=7ffdf000 ebx=00000000 ecx=0006f501 edx=00000000 esi=000001b0 edi=0132ff70 eip=77f682db esp=0132ff54 ebp=0132ff78 iopl=0 nv up ei pl zr na po nc cs=001b ss=0023 ds=0023 es=0023 fs=0038 gs=0000 efl=00000246 function: NtWaitForSingleObject 77f682d0 b8c5000000 mov eax,0xc5 77f682d5 8d542404 lea edx,[esp+0x4] ss:0222e95b=???????? 77f682d9 cd2e int 2e 77f682db c20c00 ret 0xc 77f682de 8bc0 mov eax,eax *----> Stack Back Trace Please let me know what could be the possible reasons for the exception. The application crashes after this exception occurs.