After spending days fussing with archives, options, and some command line options, I found this info which soved my problem, which only appears in outlook(for me). R6025 can occur with any C++ library or application distributed by MS. Symptom Double clicking the icon starts outlook, the window appears with the default view, then depending upon the size of your PST file, the error message appears. After clicking ok, outlook disappears. HOW TO FIX ONLY IN OUTLOOK insert ms office cd: go to E:\PFILES\MSOFFICE\OFFICE (where E:\ is your drive letter) and copy files: "OUACTRL.OCX" "OUTLACCT.DLL" "OUTLAS9.DLL" "OUTLCTL.DLL" "OUTLLIB.DLL" "OUTLMIME.DLL" "OUTLOOK" "OUTLOOK.TUW" "OUTLRPC.DLL" "OUTLVBS.DLL And paste in to: C:\Program Files\Microsoft Office\Office (where C:\ is your drive letter) and to stop the error reapering dont alter the Virtual memory.