If you are using Windows 95 or 98, right click once on the My Computer icon on your windows screen. Click once on the word Find.
In the box, type in box Named: fixme.bat Press the Enter key on your keyboard. Wait. Soon a file called fixme will appear. Double left click on the file name. Read what it says on the screen. Press any key on your computer. The space key works nice for this. Almost instantly the screen tells you it is done. Press the keyboard Esc key.
Did this fix your UFTree problem? Do let us know. There are other things to try if this didn't solve your problem.
Some problems even fix themselves when we close the program, shut down the computer, turn off the power and start over. Turn on the power, etc.