Microsoft KB Archive/58268

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Using ALT+TAB with Attachmate Extra! (Windows 3.0)

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Q58268

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The information in this article applies to:


 * Microsoft Windows versions 3.0, 3.0a

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You cannot ALT+TAB out of an MS-DOS application that is performing constant network access, such as Attachmate &quot;Extra!&quot;, under Microsoft Windows 3.0 standard or real modes.

Using ALT+TAB is not a problem in Windows 3.0 386 enhanced mode because in this mode, Windows can run MS-DOS applications in the background; thus, the constant network access may continue.

Extra! is constantly receiving datagram Network Control Blocks (NCBs) while it is loaded (even when run as a TSR). If you ALT+TAB out during its operation, Extra! freezes in the current mode and loses the connection.

Additional query words: 3.00 3.00a

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Issue type :

Technology : kbWin3xSearch kbWin300 kbWin300a