I have a client who was running Outlook 2007 on a Toshiba Protege Z835 Ultrabook - plenty of hard drive space, 6 GB of RAM. Almost everyday his archive PST file would corrupt and we would need to scanpst to fix it. This went on for a few weeks. My client decided to buy a new laptop (Lenovo CLT, 256 SSD hard drive, 8GB of RAM) - not because of the PST, he just wanted a new laptop. We transferred his archive PST file over to the new laptop, ran scanpst and attached it to his new Outlook 2010. Everything was working great for about two weeks and then his archive PST file began corrupting daily. I ran scanpst, imported the old PST into a new created PST file but the problem persists. The PST in both cases resides on the local laptop. Any ideas, suggestions?