C H E C K T H E M I C R O S O F T OU T L O O K ® E X P R E S S S E C U R I T Y S E T T I N G S — If you cannot open your
1 In Outlook Express, click Tools→ Options→ Security.
2 Click Do not allow attachments to remove the checkmark, as needed.
E N S U R E T H A T Y O U A R E C O N N E C T E D T O T H E I N T E R N E T — Ensure that you have subscribed to an Internet provider. With the Outlook Express
Error Messages
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
NOTICE: If the error message is not listed, see the documentation for the operating system or the program that was running when the message appeared.
AF I L E N A M E C A N N O T C O N T A I N A N Y O F T H E F O L L O W I N G C H A R A C T E R S : \ / : * ? “ <
> — Do not use these characters in filenames.
AR E Q U I R E D
is missing an
. DLL F I L E W A S N O T F O U N D — The program that you are trying to open essential file. To remove and then reinstall the program:
1 Click Start 
→ Control Panel→ Programs→ Programs and Features. In Windows XP, click Start→ Control Panel→ Add or Remove Programs.
2 Select the program you want to remove.
3 Click Uninstall (or Remove in Windows XP).
4 See the program documentation for installation instructions.
drive letter :\ I S N O T A C C E S S I B L E . T H E D E V I C E I S N O T R E A D Y — The drive cannot read the disk. Insert a disk into the drive and try again.
IN S E R T B O O T A B L E M E D I A — Insert a bootable CD or DVD into the optional external D/Bay or the optional media base.
N O T E N O U G H M E M O R Y O R R E S O U R C E S . C L O S E S O M E P R O G R A M S A N D T R Y
A G A I N — Close all windows and open the program that you want to use. In some cases, you may have to restart your
OP E R A T I N G S YS T E M N O T F O U N D — Contact Dell (see "Contacting Dell" on page 26).
Troubleshooting
