Should you experience issues that would need a reinstallation of the platform and you are using the browser-based Trader Workstation (TWS) you have to empty the Java Cache. The cache is a repository for temporary files that have been downloaded from the Internet and contains browser-based applications or such launched trough the browser (the Internet browser is a program like Internet Explorer, Firefox or Safari).This is a simple procedure that ensures you can download again the latest application files from our servers.
Follow the instructions in this movie to empty the Java cache. To be able to run the browser-based TWS again you just need to launch it as usual.
This movie is destined to users with the operating system Mac OS X.