Microsoft KB Archive/121092

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PRB: Local Reboot (CTRL+ALT+DEL) Doesn't Work Under Win32s

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Q121092

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The information in this article applies to:


 * Microsoft Win32s versions 1.1, 1.15, 1.2, 1.3, 1.3c

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SYMPTOMS
The Windows local reboot feature (CTRL+ALT+DEL) should terminate a hung application. However, if the application is a Win32-based application, using CTRL+ALT+DEL exits Windows.

CAUSE
This is a limitation of Win32s. When the VxD that handles hung applications tries to access the application stack, it uses ss:sp, instead of ss:esp, as if the application were a 16-bit application. This causes the VxD to crash, and when the VxD crashes, the whole system terminates.

STATUS
This behavior is by design.

Additional query words: 1.10 1.20

Keywords : kbenv

Issue type :

Technology : kbWin32sSearch kbWin32s110 kbWin32s115 kbWin32s120 kbWin32s130 kbWin32s130c