Windows XP SP3 will not go into standby when Magic Jack is running

Question

When I select Start->Turn off computer->Standby the 'turn off computer' option window closes, and then nothing else happens. I can start new applications, and Windows acts like I never selected standby. If I have a TV program scheduled to record I get a window asking if I'm sure, there are programs scheduled to record - and the computer just keeps running after I select yes. (If a program is not scheduled then that task in not running/in memory - this problem happens even if I'm not watching TV and no TV scheduling task is running.) This problem happens regardless of whether Media Center is running.

Windows XP SP3 Media Center Edition, all current updates installed.

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Update: I looked at "How to troubleshoot hibernation and standby issues in Windows XP" http://support.microsoft.com/kb/907477
ACPI is enabled, and "standby" is an option in "Power Options Properties."

Also, I used the computer for several hours after selecting standby (nothing happened) with no problems, before finally turning it off for the night.

Answer 1

I solved this. If I kill MagicJack (internet phone) from the Task Manager the computer goes into standby.

Answer 2

Easier solution, is to allow the MagicJack to sleep with the following commands

as administrator

C>powercfg -REQUESTSOVERRIDE PROCESS magicJack.exe DISPLAY SYSTEM

afterwards you can check it as follows:

C>powercfg -REQUESTSOVERRIDE
[SERVICE]

[PROCESS]
magicJack.exe DISPLAY SYSTEM

[DRIVER]