COA2, an update of PC Magazine's Change of Address utility, lets you move a program to a new location without breaking it. When you install a program under Windows, the system builds a web of connections that make it difficult to move the program anywhere else. If disk space constraints force a move, or if adding a new device causes drive letters to change, the system can lose track of essential files. References to the program are stored in shortcuts, INI files, and the system registry. COA2 tracks down all references to the old address and replaces them with the new address. When the changes are complete, it presents you with a list of changes and gives you the option to undo any of them, if necessary.
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