You can control what errors
pop-up to interupt you by using the following registry keys
(errors are still recorded in the event logs):
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Windows
Add value NoPopUpsOnBoot as a REG_DWORD. When set to
1, Boot pop-up messages are suppressed. The default is 0.
Add value ErrorMode as a REG_DWORD.
0 - All system and application errors Pop-up (this is the
default).
1 - Errors from system processes are suppressed.
2 - All system and application errors are suppressed.