I really don't know anything about Magento but a friend installed an extension in their magento store that would not uninstall through the admin console. So I went onto the server and manually deleted all the files and folders relating to the extension.
The good news is that the front end of the site is now working again. However when I try to sign into the admin console, the admin dashboard comes up blank. On inspecting the logs I found that the
Either a layout references a block whose module-name is not declared in some modules config.xml or some block/template references a helper which is not declared too.
<block type="company_modulename/blockname" name="company_modulename" template="blockname.phtml" />
Take care to have at least an empty
Data helper for each module using
$this->__('string') implicit helpers for translation.
<global> <helpers> <company_modulename> <class>Company_Modulename_Helper</class> </company_modulename> </helpers> <models> <company_modulename> <class>Company_Modulename_Model</class> </company_modulename> </models> </global>