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How to solve issues with update to Joomla 3.6.1 or later.
While updating Joomla! to 3.6.x version you may encounter some problems. In this tutorial you'll find most often issues listed and solutions to fix them quickly.

 

Recent request was denied. How to fix the issue?

It seems it is the most common problem that may appear: The most recent request was denied because it contained an invalid security token. Please refresh the page and try again.

If you are updating Joomla! from versions 3.0.0 to 3.5.1, first update Joomla! to version 3.6.0 with Joomla! Update component:

update Joomla! to version 3.6.0 with Joomla! Update component

Go to Components -> Joomla! Update -> Install the update.
Next, you need to update Joomla! Update Component in Extension Manager:

update Joomla! Update Component in Extension Manager

If there is no updates available on the list, you need to find them:

no 3.6 updates available on the list

Go to Extensions -> Manage -> Update -> Find Updates
Select Joomla! Update Component Update and press Update. Then you will be able to update Joomla!

Joomla! Update Component Update

Go to Components -> Joomla! Update -> Install the update.

Already updated Joomla! from 3.6.0 to 3.6.1 or 3.6.2 ?

Don't worry, follow steps below. All files are correct and up to date. The only thing you should do is fix database.

fix Joomla database

Go to Extensions -> Manage -> Database -> Fix

Already updated Joomla! to 3.6.1 from version earlier than 3.6.0?

Files also are up to date, but it's recommended to use Database Fix as well. Follow the same steps from the previous point.

Troubles with log-in on version 3.6.1

In some cases (it seems it is related  only with PHP 5.3) you may encounter a problem with log-in: 0 Failed to start the session: already started by PHP ($_SESSION is set).

joomla 3.6.1 login problem

To solve the problem, you need to update Joomla! manually to 3.6.2 version with your favourite FTP client.

Just download Joomla_3.6.2-Stable-Update_Package.zip package from https://github.com/joomla/joomla-cms/releases/tag/3.6.2 , unzip and upload to server (remember to allow overwriting files).
After that you should be able to log-in. The same as mentioned above, you need use Fix Database function.
The other way of fixing this issue is modify files. More details in topic: https://github.com/joomla/joomla-cms/pull/11430

Alert in Install component

In some cases you may encounter alert in Install component: No installation plugin has been enabled. At least one must be enabled to be able to use the installer. Go to the Plugin Manager to enable the plugins.

To fix this issue you use discover extensions option: 

discover extensions

Go to Extensions -> Manage -> Discover -> Discover button
Then install:

install plugin

And enable them in Extensions -> Plugins

enable plugins

About the author

Artur Kaczmarek
WordPress and Joomla lover. Artur Kaczmarek works as a programmer and coder at Joomla-Monster.com and PixelEmu.com. Senior products quality reviewer. Recent passed level - specialist at accessible templates (WCAG/Section508). Artur graduated IT and econometrics. He is a passionate about new technologies and in particular everything related to programming and coding for content management systems.

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