There was another unlock word as well, but I cant remember what it actually did now. The word was "PLUGH". Does this ring a bell with anyone

Has anyone mentioned App Inventor ?? http://beta.appinventor.mit.edu[^]

Same thing happened to me using Chrome and Ad Block. Turned off Ad Block for this site and everything displayed ok.

My very first programming job was COBOL programming language on a Philips mainframe computer in Oss, Holland. Circa 1973.

Use the RichTextBox control in VS and make it ReadOnly this will load very large text files for viewing only..