Can't you download the drivers you need from work and take them home on a CD or something as you obviously have the internet there.
Also, maybe take the new drive you bought back and get a plug and play USB one if you can. Should solve the problem easily enough.
This is what microsoft says about device manager error code 41:
Code 41
Windows successfully loaded the device driver for this hardware but cannot find the hardware device. (Code 41)
Recommended resolution
A driver was loaded but Windows cannot find the device. This error occurs when...
Hmmmm, very flawed arguments. It won't make any difference. It's just another way for labour to hit us with more stealth taxes. I drink but not in large quantities and I don't mouth off and start fights when I've had a few so why should I be taxed more?
Spain has very low taxes on alcohol and...
It makes no difference what company you ask about. Some people will say they are shit and some will say they are brilliant. It is the nature of all large, service providing companies. You pays your money, you takes your chance.