Views:
Please see the following Knowledge Article from ExLibris if you would like to change the default browser in the Aleph cataloging module. 

https://knowledge.exlibrisgroup.com/Aleph/Knowledge_Articles/Set_Firefox_as_Browser_for_Viewing_Records_in_OPAC_Format_in_Cataloging

Please note, you may want to create a backup of the INI file prior to making the changes.