Usually, when you add a plugin to your plugins folders, that plugin does not appear in the Effects menu until PSP is restarted. To cause new plugins to appear in the Effects menu without restarting PSP, choose File...Preferences...File Locations, scroll down to Plug-ins in the File types window on the left, and then do one of the following:
Temporarily disable one of the paths that existed when you opened the File Locations dialog by clearing the Enable check box in the 'Plug-in file folders' panel (see blue arrow below), or
Change the order of path entries using the up/down arrows in the 'Plug-in file folders' panel (see red arrow below).
plugins panel if File Locations dialog
When you save this change by clicking the OK button, PSP reloads the Plugins cache file, making your new plugin available without stopping and restarting PSP. You may want to re-open the File Locations dialog and reverse the change you made.
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