Several versions of same proram

I have Win98SE and IE6.On my machine I have more than one version of some programs e.g.IE5 and IE6,Zone Alarm Pro etc.Is it safe to delete the older versions or might it cause problems.My machine has been acting up recently-not loading Windows properly and freezing when I logon to the Internet are two major problems.Any advice very welcome.

  THE TERMINATOR 21:46 08 Jul 04

It would have been wise to uninstall IE5 before installing IE6, as with any other software, but shouldn't do any harm if you uninstall it now. If you still have the installation program firIE6 you can install it again if you have any probs....TT

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