When we star very important work our computer suddenly we show like error message. So we must close all running program that's mean automatically close all running program. If you want to turn off this error message just see this instruction.
1. Right click "My Computer"
2. Click "Properties"
3. Click "Advanced" tab
4. Click "Error Reporting"
5. Click "Disable Error Reporting"
That's OK you're never feel this error problem.