later. and VirusScan. You may read it now if you wish, or return to read it remainder of this manual gives more information about Macintosh viruses You should now be ready to use VirusScan for the first time. The  between VirusScan sessions. to save preferences, window positions, and page setup information folder (System 7) or in your System folder (System 6). This file is used VirusScan creates a file named “VirusScan Prefs” in your Preferences  were not infected. use VirusScan to rescan the replaced files to make certain your originals and reinstall uninfected copies from the original floppies. If you do this, and system files, you can delete the files that VirusScan says are infected For even greater safety, if you have locked original copies of applications  System 7) or your Virus Tools disk (for System 6), as described above. error message is to restart using either your emergency startup disk (for advising you what to do. In many cases, the solution recommended by the or files because they are “busy.” In this case, an error message is issued When repairing (cleaning) files, VirusScan may be unable to repair a file  problems. avoids VirusScan Extension conflicts and other possible causes of your Virus Tools disk (for System 6). Try running VirusScan again. This your Mac using either your emergency startup disk (for System 7) or using your normal system, however, we suggest that you try restarting or Virus Tools disk for everyday use. If you encounter problems running it system. It is not necessary to run it from your backup locked floppy disk You can and should run VirusScan from your hard drive using your normal  virus, you run the risk of reinfecting your system. programs before making certain that you have completely eradicated the other programs, and finally clean the rest of your disks. If you run other Clean all your disks at one time. Do not do some of them, then run some  VirusScan requires System 6.0 or later.  they are important. There are only a few rules and restrictions when running VirusScan, but  folder on each of your startup floppy disks. Quit VirusScan. Drag copies of the VirusScan Extension into the System Use the standard file dialog to save a copy of the VirusScan Extension. command from the “Protection” menu. A standard file dialog will appear. disks. Run any copy of VirusScan. Select the “Save VirusScan Extension” • Step 6. Install the VirusScan Extension on each of your startup floppy   — — — —  bottom of your screen during startup. Restart button. You should see the VirusScan Extension icon appear at the restart your Macintosh to activate the VirusScan Extension. Click the inside the Extensions folder.) An alert will appear asking if you want to on your hard drive. (On System 7, the VirusScan Extension is placed copy of the VirusScan Extension inside the currently active System folder Extension” command from the “Protection” menu. VirusScan will place a step if you do not have a hard drive.) Select the “Install VirusScan • Step 5. Install the VirusScan Extension on your hard drive. (Skip this   after VirusScan has ejected it. (VirusScan cannot repair a disk if it is locked.) You can lock the disk again at a time to be scanned and repaired. Unlock each disk before inserting it. from the “clean” menu. VirusScan will prompt you to insert floppies one • Step 4. clean all of your floppy disks. Select the “Floppies” command  any viruses which it discovers. “Clean” menu. VirusScan will scan all of your hard disks and will remove hard disk.) Select the “All Local Unlocked Disks” command from the • Step 3. clean all of your hard disks. (Skip this step if you do not have a  VirusScan will run automatically. not have a hard drive, start up your Mac using your Virus Tools disk. • Step 2. Run VirusScan from your hard drive, if you have one. If you do  the System 6.0.7 System and Finder files and VirusScan.) the Finder. (For example, there is not enough room on an 800K floppy for above. In some cases there is not even enough room on the floppy to add disk. This is not necessary, however, if you follow the instructions If you wish, you may try to put a copy of the Finder on your Virus Tools  Keep your Virus Tools floppy in a safe place.  floppy. provided the disk is always kept locked. Never unlock your Virus Tools It is impossible for a virus to infect a file on a locked floppy disk,  of files. to start up from your Virus Tools disk to remove viruses from some kinds run! In this case, you will need your Virus Tools disk. You may also need damaged in any way, or if it becomes infected by a virus, it will refuse to will run VirusScan from your hard drive. However, if VirusScan becomes The Virus Tools disk is very important. During normal operations, you  in this alert to restart your Mac. because there is no Finder on the Virus Tools disk. Click the Restart button the Finder is “busy or damaged.” This is normal. The alert appears the File menu to quit the program. An alert should appear telling you that automatically. When the main VirusScan window appears, select Quit from drive, and then start up your Mac again). VirusScan should run disk (shut down your Mac, insert your Virus Tools disk in the floppy Test your Virus Tools disk. Restart your Macintosh from the Virus Tools  can see through the hole. the floppy, slide the plastic tab on the back of the floppy up so that you Eject the Virus Tools floppy. Lock it and label it “Virus Tools.” To lock  … … … … … … … …⌃ …⌥ …⇧ …⌘ … … … … … … … … … … … … … … … … …  System 6 “Special” menu to set VirusScan as the startup program. floppy’s window to select it, then use the “Set Startup” command in the After copying the two files to the floppy, click the VirusScan icon in the  with VirusScan. some other System file because it may be too big to fit on the floppy along of the System file. Do not use the System file from your hard drive or Use an original locked System 6 Apple “System Tools” disk for your copy  copy of the System file and a copy of VirusScan. • Step 1 (for System 6 users). Make a “Virus Tools” floppy containing a  in a safe place. Keep both your VirusScan backup floppy and your emergency startup disk  this disk to remove viruses from some kinds of files. locked (if it is a floppy) and in a safe place. You may need to start up from included with every System 7 Macintosh sold by Apple. Keep this disk System 7 release. Some kind of bootable emergency startup disk is might be a bootable CD-ROM disk. This disk is part of the standard Apple a bootable floppy disk named “Disk Tools” or some other name, or it Also identify and locate your Apple emergency startup disk. This might be  VirusScan floppy. provided the disk is always kept locked. Never unlock your backup It is impossible for a virus to infect a file on a locked floppy disk,  virus, it will refuse to run! In this case, you will need the backup copy. VirusScan becomes damaged in any way, or if it becomes infected by a operations, you will run VirusScan from your hard drive. However, if The backup copy of VirusScan is very important. During normal  can see through the hole. the floppy, slide the plastic tab on the back of the floppy up so that you floppy disk. Lock the floppy disk and label it “VirusScan Backup.” To lock • Step 1 (for System 7 users). Make a backup copy of VirusScan on a  or System 6. This first step is very important. Do not skip it! The first step below is different depending on whether you use System 7  follow when using VirusScan. discuss a few very important rules and restrictions which you should your system, and protect your system against future infections. We also your system for viruses, remove any viruses which you may have on This section describes how to use VirusScan for the first time to check   åQuick Start ; ;