Content reference or folder not visible

If folder is not visible:

1. opened some other folder 

2. checked hide from navigation checkbox and saved it. 

3. Navigated back to the same folder. 

4. unchecked hide from navigation checkbox and saved it.

If content reference is not visible:

In case bouncing the webserver is not a feasible solution, below steps can be done.

-- Go to the Structure and Contents. PeopleTools > Portal > Structure and Contents.

-- Click on appropriate content which is not coming up.

-- Change its sequence number from zero to something else.

-- Save.

-- Go back to the same content again.

-- Change its sequence number back to zero.

-- Save.

-- Signout from the application.

-- Clear your browser's cache.

-- Signin again and check.