Here is another UDF . With this UDF now you can check if a specified browser/software is installed an you are also able to get what version is in used. Supported Software: Internet Explorer, Mozilla Firefox, Mozilla Thunderbird, Google Chrome, Opera, Safari, Java and Silverlight. Changelog v.1.2.0 (08/05/2013) Fixed Huge code improvements ;Thnks to guinness for the suggestion Fixed Wrong return value if path ends with a backslash ;===================================================== v.1.1.0