MS Outlook gives you the best option to be with your friends and family members through the e-mail messages. This e-mail client is a part of MS Office suit. The files of Microsoft Outlook are stored as PST files but the weird scenario step in when you are not able to access those file and receive the following error message:

“A program error occurred. Quit Outlook and Microsoft Windows and then start again.”

The reason for the occurrence of this error message can be anyone out of the following mentioned:
•    Outlook installation is damaged
•    Outlook profile is damaged
•    Invalid extension information
•    You are running out of available RAM

So to fix the problem, knowing the reason is must. This is because that will govern the fact what step should be undertaken to solve the error message problem. You can try out these work outs after knowing the root:

•    If the Outlook extension is damaged then you need to reinstall the application. This you can do after renaming the outlib.dll file.
•    If the Outlook profile is damaged then you need to create the new profile without deleting the old one.
•    If you suspect that the invalid extension information is the root of the problem then in that case, two possibilities arise: Outlook starts and Outlook does not start. If Outlook starts then you need to uncheck the add-in which is problematic. However if Outlook does not start, you need to locate Extend.dat file and need to rename it.
•    In case of running out of available RAM, you can simply close the unnecessary programs that are running at the particular time and need to restart the Windows

The above mentioned will cure your problem of the occurrence if this error message but the main problem arises when you find that after this your PST files are suffering from corruption. This happens in cases when you reinstall Outlook or may be due to invalid extension information. You need to repair Outlook PST in this case.

PST corruption is a problem which is well tackled by PST repair software. These software have the wonderful power of scanning the corrupted file by the use of appropriate algorithms.

Stellar Phoenix Outlook PST Repair software is the most advanced utility which can be applied in any case of PST corruption. This enables PST repair for all the Outlook objects like e-mails, appointments, notes, tasks, journals and many alike.

This PST recovery software can repair encrypted as well as password protected files and so acts as a complete tool to repair Outlook PST. The software creates a unique profile for each individual PST files. The user interface of this PST repair software is very interactive and the user can deal with it very easily. You can check out the same along with its usability through its free demo version available from Stellar’s website.