If you are facing any problem with ScanPST.exe, then you can very well take help of this proficient tool http://www.corruptpstfile.org to quickly resolve all short issues from PST file.
More advanced features of thos software:-
>>Repairs corrupted or damaged PST and restores all data into a new PST file
>>Supports selective recovery of items.
>>Preview of all recovered items after scanning.
>> Supported by all versions of MS Outlook and Windows OS.