Help with Corel Photo Paint 8 and W2K

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I installed Corel Photo Paint 8 and all the update patches and it work fine under W2K, but I have a problem, now photo paint will control all jpg file even if I try to open a jpg file with IE or Netscape photo paint will open up and take over ie the jpg will show up in photopaint instead in IE or netscape, Please is there anyway to prevent photo paint from opening up? TIA