Quick Reference Guide 49Windows XP:1 Click Start→ Control Panel→ Printers and Other Hardware→ Phone and ModemOptions→ Modems.2 Click the COM port for your modem→ Properties→ Diagnostics→ Query Modem toverify that the modem is communicating with Windows.If all commands receive responses, the modem is operating properly.Windows Vista:1 Click Start → Control Panel→ Hardware and Sound→ Phone and ModemOptions→ Modems.2 Click the COM port for your modem→ Properties → Diagnostics→ Query Modemto verify that the modem is communicating with Windows.If all commands receive responses, the modem is operating properly.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 havesubscribed to an Internet provider. With the Outlook Express e-mail program open,click File. If Work Offline has a checkmark next to it, click the checkmark to remove itand connect to the Internet. For help, contact your Internet service provider.Error MessagesCAUTION: Before you begin any of the procedures in this section, follow thesafety instructions in theProduct Information Guide.If the error message is not listed, see the documentation for the operatingsystem or the program that was running when the message appeared.A F 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.A R E Q U I R E D .DLL F I L E W A S N O T F O U N D — The program that you are trying to openis missing an essential file. To remove and then reinstall the program:Windows XP:1 Click Start→ Control Panel→ Add or Remove Programs→ Programs and Features.2 Select the program you want to remove.3 Click Uninstall.4 See the program documentation for installation instructions.Windows Vista:1 Click Start → Control Panel→ Programs→ Programs and Features.2 Select the program you want to remove.3 Click Uninstall.4 See the program documentation for installation instructions.