I'm running Exchange 2010, with SP1. The Information store will not stay running, and repeatedly restarts, not allowing access to Outlook for users.
This error is repeated over and over in the application log.
Faulting application name: store.exe, version: 14.1.421.2, time stamp: 0x505238e9
Faulting module name: MSVCR90.dll, version: 9.0.30729.4959, time stamp: 0x4b5fcb8e
Exception code: 0xc0000005
Fault offset: 0x000000000001e113
Faulting process id: 0x2868
Faulting application start time: 0x01cdc29cc9606f11
Faulting application path: C:\Program Files\Microsoft\Exchange Server\V14\bin\store.exe
Faulting module path: C:\Windows\WinSxS\amd64_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.4959_none_08e45ce1a83d7e3c\MSVCR90.dll
Report Id: bc7f3d19-2e90-11e2-81f8-9c8e992ff057