1. Private Character Editor :-
Used for editing fonts,etc.

start>>Run
Now, type eudcedit

2. Dr. Watson :-
This an inbuilt windows repairing software.

start>>Run
Now, type drwtsn32

3. Media Player 5.1 :-
Even if you upgrade your Media Player, you can still access your old player in case the new one fails.

start>>Run
Now, type mplay32

4. iExpress :-
You can create your own installers(Used to create Setups).

start>>Run
Now, type iexpress