Sat SP10-804: XP Home thinks Control Key stuck down (XP SP2)

Satellite SP10-804
XP home as installed plus SP2
Occasionally XP thinks that the Ctrl key is stuck down. So it is impossible to log on, Word wants to start in 'Safe Mode' C is always Ctrl-C etc and the only solution I have found so far is a reboot.
The Ctrl key is not actually stuck down. I have a keyboard utility that indicates when a key (including the ctrl key) is pressed. When this problem is present, the utility does not indicate that the key is pressed.
So something in Windows has got upset. Right now it is a real pain because I have some serious calculations going on that will take another 8 or 9 hours to finish so I cannot reboot the PC.
I rather think I must press a combination of keys accidently to cause this problem to happen but I have no idea which keys. Does anyone know
1) Why this problem occurs
2) How to fix the problem once it has occurred
3) How to stop the problem from recurring
TFAI

Hi
I dont know what you mean with Did reinstall. It is really not be easy to say what the problem can be. Maybe some virus or anything else can have influence on to this.
Unfortunately I have really no answer to this. In my opinion you should back up your data or save all them on second partition if you have one and reinstall the OS using recovery media. Only on this way the unit will be clean preinstalled and you can check if the problem still persists.

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Check uninstalling the keyboard adapter from “Device Manager” under Keyboards.
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I can reproduce this bug (make Windows think the CTRL key is stuck down) at will, and I can unstick it too, on my Satellite L775.
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This is what lets the software on the computer talk to the hardware.
Turn off the computer
As you turn it back on tap the F10 key. This will load BIOS setup utility.
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Press F10 to save and exit
When the computer boots back up, check to see if everything is working.
If everything was recently working correctly, you might try a system restore.
This will take the computer back to a time that everything was working correctly without affecting any of your files.
Here is link to a restore.
Clicking the White Kudos star on the left is a way to say Thanks!
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Background:
I bough an macbook pro about 1 year and 3 months ago and after 9 months of usage my control key stopped working for about an hour or two.This happened every time I turned on or awoke my mac from sleep (lid down).I sent it to an authorized apple service center and they replaced the keyboard.Everything was fine for about 4-5 months when the same thing happened again, ctrl key stopped working but this time not when turning on my mac but at random times and for random intervals.I sent it again to the service center but they told me that this time it won't be for free because my 1 year warranty has expired.I should mention that in European Union and Romania (the country where I am from and from which the mac was purchased) the law is that any electronics device sold has to come with at least 2 years of warranty.Apple seems to ingore this law.
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I should also mention that before calling apple uk I tried apple's romanian number (listed on their site) and it didn't work on the 3 phone networks that I've tried (2 fixed and one mobile) which led me to believe that apple support is in fact a big joke.
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1) why does apple ignore EU and Romanian law?
2) what can I do to prevent this from happening in the future
3) can I request that my macbook be more thoroughly inspected? I suspect the keyboard is not the main problem and it will soon happen again as it happened two times already.
4) can I do something for the repair labor charge to be waved? It is illegal in my country to ask for one in this scenario...

Everyone reading your posts here is just another MacBook Pro user. We're all volunteers, not Apple employees. No one here can speak for Apple.
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Sat SP10-804: XP Home thinks Control Key stuck down (XP SP2)

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