As stated above, first make sure jumper pin is set just like it was in the old drive (either not present, or in the same pin location).

Trying to install a disk drive that you need to read the...

That depends on if you can find the cause or not.
If you can determine that it was a certain program's last 'save as' location, simply open that program and save a file somewhere else that isn't...

That just means there is a file or directory still in use. Perhaps the last 'save as' location.

A Reboot *should* allow it to safely be stopped, if you can not find the application that is still...

I believe you are referring to the 'Universal Scroll' feature of most mice. This is not malaware if infact it is the Auto scroll or Universal scroll; it is actually normal operation. Perhaps your...