clarityx

You can find out what process doesn't give a possibility to remove the software, then kill it with any program, then using utility REGEDIT delete all the entries for this software. Also you can connect to your pc from terminal, and then delete the folder with software

"existing non-partitioned hard drive" TC, how can hard drive store data without any partitions? There must be some file system.

I've used Opera, Mozilla Firefox, IE, and Chrome, and want to admit, that Chrome is the fastest of them. As I know, each tab in Chrome is еру separate process