execl problem whem close it

[drpix]

Event Type: Error
Event Source: Microsoft Office 11
Event Category: None
Event ID: 1000
Date: 1/13/2007
Time: 9:58:19 AM
User: N/A
Computer: MALIKA
Description:
Faulting application excel.exe, version 11.0.8117.0, stamp 455e6e42,
faulting module mso.dll, version 11.0.8107.0, stamp 4500cb64, debug? 0, fault
address 0x001ac802.

For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 41 00 70 00 70 00 6c 00 A.p.p.l.
0008: 69 00 63 00 61 00 74 00 i.c.a.t.
0010: 69 00 6f 00 6e 00 20 00 i.o.n. .
0018: 46 00 61 00 69 00 6c 00 F.a.i.l.
0020: 75 00 72 00 65 00 20 00 u.r.e. .
0028: 20 00 65 00 78 00 63 00 .e.x.c.
0030: 65 00 6c 00 2e 00 65 00 e.l...e.
0038: 78 00 65 00 20 00 31 00 x.e. .1.
0040: 31 00 2e 00 30 00 2e 00 1...0...
0048: 38 00 31 00 31 00 37 00 8.1.1.7.
0050: 2e 00 30 00 20 00 34 00 ..0. .4.
0058: 35 00 35 00 65 00 36 00 5.5.e.6.
0060: 65 00 34 00 32 00 20 00 e.4.2. .
0068: 69 00 6e 00 20 00 6d 00 i.n. .m.
0070: 73 00 6f 00 2e 00 64 00 s.o...d.
0078: 6c 00 6c 00 20 00 31 00 l.l. .1.
0080: 31 00 2e 00 30 00 2e 00 1...0...
0088: 38 00 31 00 30 00 37 00 8.1.0.7.
0090: 2e 00 30 00 20 00 34 00 ..0. .4.
0098: 35 00 30 00 30 00 63 00 5.0.0.c.
00a0: 62 00 36 00 34 00 20 00 b.6.4. .
00a8: 66 00 44 00 65 00 62 00 f.D.e.b.
00b0: 75 00 67 00 20 00 30 00 u.g. .0.
00b8: 20 00 61 00 74 00 20 00 .a.t. .
00c0: 6f 00 66 00 66 00 73 00 o.f.f.s.
00c8: 65 00 74 00 20 00 30 00 e.t. .0.
00d0: 30 00 31 00 61 00 63 00 0.1.a.c.
00d8: 38 00 30 00 32 00 0d 00 8.0.2...
00e0: 0a 00 ..

when i exit from excel i will found this error