Problem with USB Connection

[Aleid]

Alright, I'm running Windows 7, and this is exactly what happens.

First, i connect my HTC Touch Diamond, on the phone screen it asks me to choose ActiveSync or Disk Drive, regardless of what i choose, or if i choose none, i always instantly get the following error appears in the task bar and the "Unknown Device" in device manager.


Under the devices properties in Device Manager, the Device Status says "Windows has stopped this device because it has reported problems. (Code 43)".

If i try re-running the Windows Mobile Device Center installer (drvupdate-x86.exe from http://www.microsoft.com/downloads/d...displaylang=en) the following happens:







So, apparently it finds the driver and then attempts to install it, but while doing so, the device appears to become 'unplugged' some how and then the Windows Mobile Device Center installer continues on its way.

I've tried various reported fixes for problems like this, such as:
-Checking or unchecking the "Enable advanced network functionality" box in Start->Settings->Connections->USB to PC.
-Used 2 different cables in various USB ports.
-Tried cleaning both cables and the connector on the device with electronics cleaning fluid. (isopropyl i think?)
-Deleting the device from device manager, resetting my PC and soft resetting my device then reconnecting them.
-Hard and soft resetting the device
-Enabling various system services, such as the UPnP one (which was originally disabled for some reason)
-Tried it on an two different XP machines, same task bar error, and same Unkown Device in Device Manager.


None of the above has worked, and im out of ideas. I'd be extremely grateful to anyone who could help out, i've tried to provide as much information as possible, if anything else is needed, just ask.

Thanks in advance.
/-- Aleid.

I also posted the thread on another forum (link below), some of the information may help you in helping me, im just hoping that someone can, and will please help me, i'd be forever grateful =D

http://www.howardforums.com/showthread.php?p=13075611