Error with cpfupdat.exe

Last Sunday morning 17th I found I had several errors from cpfupdat.exe on my PC when I got up in the morning. Are they anything to worry about?

Event Viewer records the first as -

Event Type: Error
Event Source: Application Error
Event Category: None
Event ID: 1000
Date: 17/06/2007
Time: 02:00:09
User: N/A
Computer: zzz-zzzzzzzzzzz
Description:
Faulting application cpfupdat.exe, version 2.4.0.5, faulting module ntdll.dll, version 5.1.2600.2180, fault address 0x00010de3.

For more information, see Help and Support Center at Microsoft Support.
Data:
0000: 41 70 70 6c 69 63 61 74 Applicat
0008: 69 6f 6e 20 46 61 69 6c ion Fail
0010: 75 72 65 20 20 63 70 66 ure cpf
0018: 75 70 64 61 74 2e 65 78 updat.ex
0020: 65 20 32 2e 34 2e 30 2e e 2.4.0.
0028: 35 20 69 6e 20 6e 74 64 5 in ntd
0030: 6c 6c 2e 64 6c 6c 20 35 ll.dll 5
0038: 2e 31 2e 32 36 30 30 2e .1.2600.
0040: 32 31 38 30 20 61 74 20 2180 at
0048: 6f 66 66 73 65 74 20 30 offset 0
0050: 30 30 31 30 64 65 33 0d 0010de3.
0058: 0a .

It then happened every hour on the hour till 8am (when I rebooted as Comodo crashed out when I clicked ok)

Thanks.