Outlook 2003 is one of the older versions of Outlook and Windows 7 is the new edition of Windows series, hence there are reports of compatibility issues between Outlook 2003 and windows 7. While starting Outlook 2003, email client in Windows 7, it crashes and gives error message which states.
"The program has encountered an error and needed to restart"
"Microsoft Office Outlook has stopped working"
The error messages pop up every time when tries to start Outlook 2003 and results in the abrupt crashing of the system. Even with completely installed Windows 7 home Premium 64 bit desktop the issues occur. The first launch of Outlook 2003 itself results in the crash of the system. In most of the cases it is seen that all the other programs in the Windows 7 are working smooth and error message and crashing occur only with the Outlook 2003 installation. It clearly states one think that the problem is with the Outlook only, so itself the solution should be meant on Outlook mainly.
If the above process does not works than just reboot your PC
And to resolve the corruption issue of Outlook PST file, you have to go for a cost free inbuilt utility given by Microsoft Inbox Repair Tool (Scanpst.exe). It works in most of the PST corruption scenarios but what if it breaks down. At that instant an Outlook data recovery software works for you, it deeply scans the corrupt items of MS Outlook, fix's errors and repairs them.