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Just because Windows starts correctly doesn't mean you're home free. The following sections discuss the causes and solutions for typical errors you might see after the system starts. Invalid working directory ErrorIf a Windows or MS-DOS program is set to use a folder that isn't available, the Invalid working directory error might be displayed. The following are solutions to this error:
System LockupsSystem lockups can result from any of the following causes:
Press Ctrl+Alt+Del to display the Close Program dialog box (Windows 9x/Me) or the Windows Task Manager application tab (Windows NT 4.0/2000/XP) as shown in Figure 20.4) to determine if a program has stopped working. Figure 20.4. The Windows XP Task Manager (left) and Windows 98 Close Program dialog (right) enable you to shut down a program that has stopped responding.
Programs and background tasks in memory are displayed. Programs or tasks with [not responding] at the end of the listing have stopped working; select each one and click Close Program to shut them down. You will need to close each unresponsive program separately. Can't Log On to NetworkA user must be on the list of authorized users to log on to a network managed by a Windows NT/2000/2003 server or Novell NetWare server. To access shared resources on a peer-to-peer Windows 9x/Me network, the user must log on to the network and provide passwords for password-protected resources. If the user has not logged on to the network, the user should click Start, Shutdown, and Logoff the System. All open programs will be closed, and a new logon screen will be displayed. The user should make sure to enter the correct username and password. Pressing the Escape key or clicking Cancel does not log the user onto the network, although the logon screen is removed from the desktop. After the correct username and password are entered, the user will have access to any Windows NT/2000/2003/NetWaremanaged resources that the user is authorized to use. However, the user will need to provide a password the first time a peer-shared resource on a Windows 9x/Me network is used; if the password is stored in the user's password cache, it will not need to be entered again unless the password for the resource is changed. TSR Program ErrorTerminate-and-Stay-Resident ( TSR ) programs, such as mouse drivers, CD-ROM drivers, and others, were common when MS-DOS was the predominant operating system. However, all versions of Windows covered by the A+ Certification Exams typically use 32-bit drivers. Only Windows 9x still supports 16-bit drivers through its use of Config.sys and Autoexec.bat and MS-DOS mode. You can set a particular MS-DOS application that must run from the MS-DOS mode to use TSRs or device drivers by editing the Advanced features of its Program properties sheet (see Figure 20.5). Add or remove drivers, TSRs, or other commands from the default settings listed for Config.sys or Autoexec.bat . The options set here will be run when the program is started and are removed from memory when the user returns to the Windows GUI. Figure 20.5. If you are running an MS-DOS program that needs particular device drivers or TSRs to work in MS-DOS mode (Windows 9x), specify the MS-DOS configuration you need.
Can't Install ApplicationsIf you can't install an application, here are some reasons whyand some solutions!
Print Spooler StalledWindows NT 4.0/2000/XP run the print spooler as a service . To restart it from the list of local services, with Windows 2000/XP, use this procedure:
tip
In Windows NT 4.0, open the Services icon in Control Panel to locate the print spooler. Select Stop, Start. To fix stalled print spooler problems in Windows 9x/Me
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