This tool loads to the System Tray and provides options that help prevent unwanted drag operations (such as getting the copy/move dialog when you really wanted the right-click context menu).

DragOptions | Set Mouse Drag Sensitivity and Optionally Disable Right-Click Drag

Here's what the tool looks like in the system tray:

DragOptions-menu.png

Here's the dialog to adjust the drag sensitivity (no logout or reboot required):

DragOptions-dragwh.png

It comes with translations for most Windows languages. Here it is in German:

DragOptions-menu-de.png