Chunk4x:Help screen toolbar icon PurgeCache From Joomla! Documentation Revision as of 19:11, 1 May 2016 by MATsxm (talk | contribs) (Marked this version for translation)(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff) Purge Cache. Clears cached information about available extension updates. This will update the list of available extension updates shown on this screen.