Magento ver. 1.6.2.0 fix –internal server error & Forbidden

Step1: Download the   Magento-Cleanup.php from Blow link (unzip it ) http://www.magentocommerce.com/wiki/_media/groups/227/magento-cleanup2.zip

Step2:Upload The file In the magento Root directory

Step3: Open the Browser url

Like:www.somesite.com/magento/magento-cleanup.php

That’s it When you the see below window Everything Allright

--------------------------------------------XXXXX---------------------------------

----------------------- CLEANUP START -------------------------

*************** SETTING PERMISSIONS ***************
Setting all folder permissions to 755
Setting all file permissions to 644
Setting pear permissions to 550

****************** CLEARING CACHE ******************
Clearing var/cache
Clearing var/session

************** CHECKING FOR EXTENSIONS ***********
-= WARNING =- Overrides or extensions exist in the app/code/community folder

------------------- CLEANUP COMPLETED in:0.7012 seconds ------------------

 

Now open your magento directory in browser and Continuing  Install….

                                         --------------------------XXXXXXXXXXXXXX----------------------------------------------

 

Magento Template change error

• Your design change for the specified store intersects with another one, please specify another date range. Error

1. Go to phpmyadmin then click on your magento database on the left.
2. When it brings up all of the fields in the database click on design_change.
3. Now in the center of the screen you will see under options that table in the database, click on the pencil to edit the database.
4. Now where you see the field design all the way across to the left of that you should see something like “default/default”e changing the name. 
5. Don’t know whats causing the date issue but this is an easy workaround If you change that to “default/blue” you can get the blue skin to work. Just press “go” whenever you are don