Outlook 2003 crash! HELP

[pavlito]

When entering addresses into the "TO" field and click on the "NAME
CHECK" Outlook crash and offer me a solution to resetujem.Not always
only sometimes on certain addresses.

The error report details are:

Code: 0xc0000005 Flags: 0x00000000
Record: 0x000000000000000 address: 0x0000000077c46803

System Information:

Windows NT 5.1 Build: 2600

CPU Vendor Code: 756E6547 - 49656E69 - 6C65746E

And so on

At the bottom reads

Module 1
Outlook.exe

And so on

C: / document...blablabl/temp/3382187.cvr

I use Outlook at work.