Step 1. Disable Extension
Log into Magento® Admin Panel and go to System → Configuration → GOMAGE / Product Designer → General and find Enabled option.
Select "No" to deactivate the extension. Click “Save Config” button.
The extension is now deactivated.
Step 2. Delete Files
Using an FTP client delete the following files.
BE VERY CAREFUL WHEN DELETING FILES OR FOLDERS OR YOU MAY ACCIDENTALLY DELETE THE WRONG FILES OR FOLDERS.
Step 3. Delete Folders
Using an FTP client delete the following folders.
Step 4. Delete Data from the DataBase
Run the following script on your server (MySQL) to delete data from the database:
delete from core_config_data where path like 'gomage_designer/%'; delete from core_resource where code = 'gomage_productdesigner_setup';
Run the following command on your server:
SELECT CONCAT('drop table ', TABLE_SCHEMA, '.', TABLE_NAME, ';') FROM information_schema.TABLES WHERE TABLE_SCHEMA "Your_Database_Name" AND TABLE_NAME LIKE "gomage_productdesigner%";
After that copy a received script to the buffer and run this script on your server.
Step 5. Clear Cache
Go to System → Cache Management and clear the store cache.
Step 6. Clear Cache in your Browser
Clear cache in your browser.