Layout won't update

I changed my layout a little, clicked "Run Layout" the layout is still how it was? I never have had this issue before.

I get this a lot on internet explorer, you need to force a refresh. Hit F5. It's about browser caching.

In cases where you might be using XML files, I find that they also sometimes get stuck in the browser cache. My solution there is either to wait for them to timeout (a few minutes) or else to switch to a different browser to see what happens.

Okay thanks!