Faulting application msaccess.exe, version 12.0.4518.1014, stamp 4542815c, faulting module acewss.dll, version 12.0.4518.1014, stamp 45428ad1, debug? 0, fault address 0x0000b498.
You may get the above error in Windows Event log, while exporting Access 2007 datasheet to Microsoft Office Sharepoint 2007. Solution was very simple and I came to know this after two days of fruitless efforts.
Install Microsoft Office 2007 Service Pack 1 KB936982