P3D 4.4 stops sometimes for 2 or 3 sec with sound

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I use Windows 10 and have the latest Version P3DV4 installed.

I have these issue, that the Simulator stops sometimes  for 2-3 sec together with these  "Windows" warning sound.

I disabled all scenerys  and add-ons (ORBX, UTX, UT, AS), just the Sim and a PMDG Aircraft 737 & 777, but the problem stays....

I think it could be a "USB - connection Issue", that a USB Device ist disconnected and connected again...

My USB devices are 

- Thrustmaster Hotas Cougar

- Saitek Rudder Paddels

- USB Mouse

- USB Keybord

- Fritz WLAN Stick 

Is this possible, is there a way to monitor the USB Devices?





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In Windows Control Panel, go into the properties of each USB hub, in the Power Management tab, and make sure "Allow windows to turn off this device to save power" is UNchecked.

You'll want to double-check those settings after any Windows update, because the updates have a nasty way of turning all that word most definitely not allowed back on.



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Thanks for your help & solution!

It works fine !!!

Best regards!



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7 hours ago, w6kd said:

"word most definitely not allowed"

That's new, what the heck did you put there? :laugh:

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14 minutes ago, AnkH said:

That's new, what the heck did you put there? :laugh:

The question arises...

Who moderates the moderators, I wonder ?

Did Bob moderate himself ? :tongue:

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8 hours ago, AnkH said:

That's new, what the heck did you put there? :laugh:

An anagram of that well-known fish perhaps? Carp? 😁

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Ray, as your are now Hercule Poirot, take a bow🤣

Edited by vc10man
  • Like 1

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Hi guys,

I have the same issue as Enrico10999 has reported : freeze of P3Dv4 and a double windows7 system sound.  In order to identify the sounds I replaced these by the spoken words 'Connect' and 'Disconnect'.   When all of my USB devices are connected I get 2 sounds : first 'Disconnect' and then 'Connect'.  This was giving my the problem that my wireless headset disconnected but not properly connected again.  I just removed all of my USB devices (Rudder, yoke, throtle) and now I only get the message 'Disconnect'.

I am unable to find a solution : I already realised that the USB ports get cut-off by the windows USB power setting.  I put the selection of USB SELECTIVE SUSPEND SETTING at 'Disable', but no gain : stille freezes.... 

On top of, caused by above issue ?, I am getting CTD with ntdll.dll error in the WER files.

Already did a clean install of windows...

Who can help me ? If helpfull, I can send full details of my system.


Peter Magnus



ps. sorry for my poor English...

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