You can begin by investigating the following program-related problems:
A confirmed bug in Microsoft Access
A damaged or fragmented database
A corrupted database
Incorrect registry settings
Mismatched dynamic link libraries (DLLs)
If you determine that the cause is none of these, you can investigate the following system-related problems:
A memory conflict
A Temp folder (directory) problem
A video driver and settings problem
A printer driver and settings problem
Incorrect virtual memory settings
Incorrect file-system settings
Hard disk fragmentation or errors

+ проблемы с железом, драйверами и т.п.