Microsoft KB Archive/92937

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PC Tools Drivers May Cause Windows to Stop Responding (Hang)

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Q92937

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The information in this article applies to:


 * Microsoft Windows versions 3.0, 3.0a, 3.1, 3.11

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SYMPTOMS
After you install PC Tools for MS-DOS, your mouse and/or keyboard behave erratically in Microsoft Windows, or Windows stops responding (hangs) after the logo screen is displayed.

CAUSE
During installation, PC Tools for MS-DOS, version 7.0, 7.1, or 8.0, may make the following changes to the [boot] section of the SYSTEM.INI file:

  mouse.drv=C:\PCTOOLS\SYSTEM\COMMMOU.DRV keyboard.drv=C:\PCTOOLS\SYSTEM\COMMKBD.DRV display.drv=C:\PCTOOLS\SYSTEM\COMMDIS.DRV (version 8.0 only) cpdisplay.drv= NOTE: The paths to these files may vary.

The entry for is the driver filename for the active display drive as shown in Windows Setup.

These modifications can change mouse and/or keyboard behavior in Windows, or cause Windows to hang.

WORKAROUND
To work around these problems, deactivate (comment) the lines shown above by inserting a semicolon at the beginning of each line. Then, add the following lines to the [boot] section of the SYSTEM.INI file:

  mouse.drv=MOUSE.DRV keyboard.drv=KEYBOARD.DRV display.drv= These are the standard settings for the Microsoft mouse, enhanced 101- or 102-key keyboard, and current display driver. If you are using a different mouse, or keyboard, run Setup to reinstall the appropriate driver(s).

NOTE: This workaround disables the PC Tools Commute application.

PC Tools for MS-DOS is manufactured by Central Point Software, a vendor independent of Microsoft; we make no warranty, implied or otherwise, regarding this product's performance or reliability.

Additional query words: 3.10 commute 8.00 8.0 PCTOOLS

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Issue type :

Technology : kbWin3xSearch kbWin300 kbWin300a kbWin310 kbWin311