Refresh Manifest Cache failed: upgrade message - Joomla! Forum - community, help and support

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hello,

while upgrading 2.5.7 2.5.8, following error message encountered 4 times:

refresh manifest cache failed: extension not installed.

this followed message:

installing file successful.
joomla! 2.5 content management system

this followed string of messages follows:

error on updating manifest cache:
- (type, element, folder, client) = (plugin, recaptcha, recaptcha, 0)
- (type, element, folder, client) = (plugin, extensionupdate, extensionupdate, 0)
- (type, element, folder, client) = (plugin, joomlaupdate, joomlaupdate, 0)
- (type, element, folder, client) = (plugin, languagecode, languagecode, 0)

the current system information shows site on 2.5.8 , on surface appears working properly. request joomla gurus advice on whether health of site concerned about, , needs done ensure further upgrade new version happens smoothly.

thanks in advance.

you should fine joomla core files seem have been upgraded correctly. might wish go extension manager>database , ensure there no error fix. extension manager>discover> discover check extensions have not installed correctly.





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