These steps are modified from Adam’s directions for Windows XP found here.
Go to C:/Windows and delete the following 3 files:
Next, open the directory where file locker is installed. [Probably C:\Program Files\Easy File Locker].
Open notepad. Drag uninst.exe from the installation directory into Notepad. Select all by pressing ctrl+a. Delete everything. Save it.
Next, drag FileLocker.exe from the installation directory into Notepad. Select all by pressing ctrl+a. Then delete them. Save it.
Next, delete uninst.exe and FileLocker.exe.
Reinstall File locker. When you run it you will be able to set a new password.