Windows Vista is saying "Access Denied" when trying to install drivers for USB device
1st noticed when I plugged in my iPhone & instead of the ususal little popup box asking what to do with pictures (can't recall what it's actually called) it now comes up with New Hardward Found.
The iPhone syncs ok with iTunes as the "Apple Mobile Device USB Driver" is ok in Device Manager & I can transfer music & videos etc

However the "iPhone" shows an exclamation mark in Device Manager - which is the camera drivers, meaning it doesn't show as a drive in My Computer.
Whenever I plug my iPhone into the USB it always comes up with new hardware found & tries to locate the drivers, it does this ok but when installing them it always come back with the message "access is Denied" I have tried reinstalling them from within Device Manager as well but get the same message.

I have also plugged in a USB card reader previously unused on the laptop to check if it was just my iPhone & again it finds it as new hardware & tries to install the drivers but again comes back with "Access is Denied" So it's not related to just my iPhone, it looks like is related to USB devices.
I have tried using a different USB port (There are 3) one of which has the mouse plugged into & the mouse works ok, the other has a bluetooth dongle in it & that works ok as well.
I have turned off User Account Control & this has made no difference.
I have got Avira & Comodo Firewall installed & have also done the Panda online scan & nothing was found apart from a few cookies.
I am running Win Vista Home Premium - service pack 2
Hope I've given enough info there so that someone can help me out with this.
TIA
Lyzzy
1st noticed when I plugged in my iPhone & instead of the ususal little popup box asking what to do with pictures (can't recall what it's actually called) it now comes up with New Hardward Found.
The iPhone syncs ok with iTunes as the "Apple Mobile Device USB Driver" is ok in Device Manager & I can transfer music & videos etc

However the "iPhone" shows an exclamation mark in Device Manager - which is the camera drivers, meaning it doesn't show as a drive in My Computer.
Whenever I plug my iPhone into the USB it always comes up with new hardware found & tries to locate the drivers, it does this ok but when installing them it always come back with the message "access is Denied" I have tried reinstalling them from within Device Manager as well but get the same message.

I have also plugged in a USB card reader previously unused on the laptop to check if it was just my iPhone & again it finds it as new hardware & tries to install the drivers but again comes back with "Access is Denied" So it's not related to just my iPhone, it looks like is related to USB devices.
I have tried using a different USB port (There are 3) one of which has the mouse plugged into & the mouse works ok, the other has a bluetooth dongle in it & that works ok as well.
I have turned off User Account Control & this has made no difference.
I have got Avira & Comodo Firewall installed & have also done the Panda online scan & nothing was found apart from a few cookies.
I am running Win Vista Home Premium - service pack 2
Hope I've given enough info there so that someone can help me out with this.
TIA
Lyzzy