Differences Between Regedit.exe and Regedt32.exe

Windows XP and Windows Server 2003

a. Regedit.exe

    Regedit.exe is the configuration editor for Windows XP and Windows

    Server 2003. Regedit.exe is used tomodify the Windows NT configuration  

    database, or the Windows NT registry. This editor allows you to view or

    modify the Windows NT registry. It supports setting security on registry

    keys, viewing and editing REG_EXPAND_SZ and REG_MULTI_SZ, and

    saving and restoring hive files. On the left side, there are folders that

    represent registry keys. On the right side, there are the values associated

    with the selected registry key. Regedit is a powerful tool. You must use

    extreme caution when you use it to change registry values. Missing or

    incorrect values in the registry can make theWindows installation

    unusable.

b. Regedt32.exe

    In Windows XP and Windows Server 2003, Regedt32.exe is a small

    program that just runs Regedit.exe.