I changed a page in /_layouts/, now how do I get SharePoint to reload it?

I have a Page Viewer webpart that displays /_layouts/google.htm and needs changing. I applied the changes to the file google.html in C:\Program Files\Common Files\Microsoft Shared\Web Serv开发者_StackOverflow社区er Extensions\12\TEMPLATE\LAYOUTS\ on the web server.

After countless page refreshes and webpart reloads, how do I get SharePoint to display the new version of the file?

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Recycling the Application Pool in IIS should do the trick