PC Maintenance: PC Maintenance: Preparing for A+ Preparing for A+

CertificationCertificationChapter 28: Working with Chapter 28: Working with

ApplicationsApplications

Chapter 28 ObjectivesChapter 28 Objectives

Install and remove applicationsInstall and remove applications Configure DOS applicationsConfigure DOS applications Use Compatibility modeUse Compatibility mode Troubleshoot problems with applicationsTroubleshoot problems with applications

What Does Application What Does Application Installation Do?Installation Do?

Copies files to hard diskCopies files to hard disk Sets up shortcutsSets up shortcuts Edits RegistryEdits Registry

Installing Windows ApplicationsInstalling Windows Applications

Autoplay from CD (Autorun.inf file)Autoplay from CD (Autorun.inf file) Double-click Setup file in file listingDouble-click Setup file in file listing Unzip ZIP file and run SetupUnzip ZIP file and run Setup

Installing an Application that Has Installing an Application that Has No Setup UtilityNo Setup Utility

Copy to the hard diskCopy to the hard disk Manually create a shortcut for itManually create a shortcut for it No change required to RegistryNo change required to Registry

Installation Security IssuesInstallation Security Issues

Must be AdministratorMust be Administrator Right-click Setup.exe, choose Run As, run Right-click Setup.exe, choose Run As, run

as an Administratoras an Administrator

Controlling Whether Application Controlling Whether Application Loads at StartupLoads at Startup

Making an application loadMaking an application load Add a shortcut to the Startup folderAdd a shortcut to the Startup folder

Preventing an application from loadingPreventing an application from loading Disable autostart in its PropertiesDisable autostart in its Properties Disable from MSCONFIGDisable from MSCONFIG

Removing Windows ApplicationsRemoving Windows Applications

Use application’s own Uninstall utility if Use application’s own Uninstall utility if possiblepossible

Remove using Add/Remove programsRemove using Add/Remove programs Manual removal is last resortManual removal is last resort

Delete application’s filesDelete application’s files Delete shortcutsDelete shortcuts Manually remove entries from Registry Manually remove entries from Registry

(optional, debatable whether benefits (optional, debatable whether benefits outweigh risks)outweigh risks)

Troubleshooting Application Troubleshooting Application Removal ProblemsRemoval Problems

Uninstall info contained in a log file (ex. Uninstall info contained in a log file (ex. INSTALL.LOG) or in a Microsoft INSTALL.LOG) or in a Microsoft Installation file (.MSI extension)Installation file (.MSI extension)

If uninstall data is missing, application If uninstall data is missing, application might not remove correctlymight not remove correctly

Try reinstalling and then removingTry reinstalling and then removing

Reorganizing the Programs Reorganizing the Programs MenuMenu

Drag items Drag items around on around on Start menuStart menu

Right-click Right-click Start Start button and button and choose choose Open All Open All UsersUsers

Adding and Removing Windows Adding and Removing Windows ComponentsComponents

Add/Remove Programs in Add/Remove Programs in Control PanelControl Panel

Potential Issues with DOS Potential Issues with DOS Programs Under WindowsPrograms Under Windows

CONFIG.SYS and AUTOEXEC.BAT CONFIG.SYS and AUTOEXEC.BAT modificationsmodifications

Resource sharingResource sharing DOS applications assume exclusivityDOS applications assume exclusivity

Proprietary video driversProprietary video drivers Proprietary sound driversProprietary sound drivers

Potential Issues with DOS Potential Issues with DOS Programs Under WindowsPrograms Under Windows

Working directoryWorking directory Shortcut key conflictsShortcut key conflicts Switching problemsSwitching problems Stated incompatibility with WindowsStated incompatibility with Windows Crashes under WindowsCrashes under Windows

Installing a DOS ApplicationInstalling a DOS Application

Run from a command prompt (optional but Run from a command prompt (optional but can be helpful)can be helpful)

Do not allow it to make changes to startup Do not allow it to make changes to startup filesfiles

Test after installationTest after installation Modify PIF through application’s Modify PIF through application’s

Properties if neededProperties if needed Create Windows shortcut(s) Create Windows shortcut(s)

Understanding PIFsUnderstanding PIFs

Program Information FileProgram Information File Shortcut used to store settings for MS–Shortcut used to store settings for MS–

DOS applications DOS applications .PIF extension under 9x versions.PIF extension under 9x versions Still exist under 2000/XP but no .PIF Still exist under 2000/XP but no .PIF

extensionextension

Properties for PIF Properties for PIF

Properties for PIFProperties for PIF

Properties for PIFProperties for PIF

Properties for PIFProperties for PIF

Compatibility ModeCompatibility Mode

Only in Windows XPOnly in Windows XP Only simulates earlier 32-bit Windows Only simulates earlier 32-bit Windows

versionsversions Does not create compatibility for Windows Does not create compatibility for Windows

3.x or DOS3.x or DOS Two methods:Two methods:

Compatibility WizardCompatibility Wizard Manual setup through application’s PropertiesManual setup through application’s Properties

Troubleshooting ApplicationsTroubleshooting Applications

General Protection Fault (GPF)General Protection Fault (GPF) Application attempts to do something that Application attempts to do something that

would compromise stabilitywould compromise stability ““Blue screen of death”Blue screen of death” RebootReboot If recurring problem, reinstall file or application If recurring problem, reinstall file or application

causing the problemcausing the problem

Troubleshooting ApplicationsTroubleshooting Applications

Illegal OperationIllegal Operation Similar to GPF but confined to a single Similar to GPF but confined to a single

applicationapplication Dialog box (not blue screen)Dialog box (not blue screen) Restart applicationRestart application If reoccurs, restart PCIf reoccurs, restart PC Check for availability of patch or updateCheck for availability of patch or update

Troubleshooting ApplicationsTroubleshooting Applications

LockupsLockups Switch away from unresponsive application to Switch away from unresponsive application to

other applications and save your work if other applications and save your work if possiblepossible

Display Task Manager and attempt to shut Display Task Manager and attempt to shut down the unresponsive programdown the unresponsive program

Restart WindowsRestart Windows Last resort: Press and hold Power button for 5 Last resort: Press and hold Power button for 5

secondsseconds