'I/O error' or 'Corrupt Installation Detected' error message during installation

If you receive information about an I/O error or corrupt installation while attempting to install Yahoo! Messenger, please try the following:

Windows 95/98

  1. Shutdown and restart your computer.
  2. Press CTRL + ALT + DEL on your keyboard. This will bring up the Close Programs window.
  3. You will see a list of programs. These programs are currently running in the background on your system, whether they show on your taskbar or not. "Explorer" is the Windows 95 operating system. Systray is the taskbar manager. All other items on the list are programs which could be causing a conflict with the Pager installation. To get around this, these programs can be temporarily closed while the Yahoo! Messenger is being installed. Once the Pager is installed, restarting your computer will return these programs to their original configurations.
  4. One at a time, click each item in the list to highlight it and then click the End Task button. When you click the End Task button, the Close Program window will close. You will need to press CTRL + ALT + DEL each time to bring it up again. If at any time you get a message that a program is Not Responding, click End Task.
  5. On rare occasions, End-Tasking on a program can cause the system to reboot. If you experience this, you will need to start from the beginning and proceed without attempting to End Task that particular program.
  6. Once you have the Close Programs window clear except for Explorer and Systray (or Explorer only, if you don't have Systray), click Cancel to close the Close Programs window.
  7. Install the Pager again. You should not experience the same problem.
  8. Once the Pager is installed, restart your system. All of your background applications will return to their original configurations.

Windows NT:

  1. Shutdown and restart your computer.
  2. Press CTRL + ALT + DEL on your keyboard. This will bring up the Windows NT security window.
  3. Click the Task Manager button, and then click the Task Manager tab.
  4. You will see a list of programs. These programs are currently running in the background on your system whether they show on your taskbar or not, and one or more of them could be causing a conflict with the Messenger installation. To get around this, these programs can be temporarily closed while the Yahoo! Messenger is being installed. Once the Messenger is installed, restarting your computer will return these programs to their original configurations.
  5. Click the top item on the list to highlight it. Then hold the Shift key down and click the last item on the list. This will highlight the whole list.
  6. Click the End Task button. This will temporarily close all background applications on your system.
  7. Click the X in the upper right hand corner to close the Task Manager window.
  8. Install the Yahoo! Messenger. The installation should now proceed correctly. Once you have the Messenger installed, restart your system. All of your background applications will then return to their original settings.

If you would like more help with this, please click on the No button below and complete the feedback form. Be sure to include the error message itself and all details (copy and paste them into your feedback form).

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