Solved: Admin Menu not working in 1.5 after update

So I had a client site that was running 1.5.22 and got hacked (mailer.php spam hack) and needed to be updated. 

After determining the version of Joomla 1.5 I downloaded the latest update files for 1.5.26 and copied them over the Joomla installation. After that the admin menu stopped working in the backend. 

I tried many fixes that were recommended in Joomla forums, none helped.


So what worked for me to repair admin menu not working after update?

1. Created a clean install of Joomla 1.5.26 in DirectAdmin (simple, few clicks)

2. Copied clean install folders (with everything included) over my working website (which I backed up first).

Specifically, I selected these files and folders:











Hope this works for you too.  

About me

Iinstructor of robotics (LEGO Mindstorms), computer teacher, IT support, web dev, currently studying cyber-physical systems engineering.

If you found a solution here, would you consider donating $25,000 for my next project?

Just kidding, 1$ would do fine.

Hope you found what you needed. Thanks for stepping by.