USB Device not Recognized Please Help

Hi everybody

I am using windows 7 ultimate sp1 duel boot with windows xp sp2
i have a usb wireless mouse , USB wireless LAN adapter and USB WD My Passport 500GB HDD and Iomega 500GB HDD alos USB
They where all working fine before 2 days
then suddenly windows prompts a messege saying '' Usb device not recognized ''
and the messege flashes spontanously every 2-3 minutes
I EVEN DISCONNECTED all usb devices but the messege still persists every 2-3 minutes comes spontanously.
I have encountered the same problem before one month but ignored it it was fixed by itself.
i installed a fresh copy of windows 7 but still the same also same problem in windows xp.
Laptop model : Toshiba satellite L300
CPU : Intel(R) Core(TM)2 Duo CPU T5800 @ 2.00GHz
Memory : 2.00 GB
So please help i don't know what it could be , i appretiate it thanks

Can you post a screen shot of Device Manager ?
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could it be a virus or something causing this issue
i am pretty sure my hardwares are fine.

Do you use the NoteBook on lap?

No, I'm Not. please any help.
my usb wireless mouse is now not working

i am getting mad about this problem, I already tried many fixes but no benefit so please any ideas.

thanks I'll try that

i just unplugged all devies and uninstalled all of the from device manager, even uninstalled hidden devies but still the same error comes up i did not even connected the devices yet but this messege comes up and I'm getting mad
i haven't seen anything like this before is that possible!!??