I've found two bugs in Labview 6.1.
The first one: Goto the Functions palette. Goto the File I/O. Select Open/Create/Replace file.vi. Notice the file name. It contains "/" which is not valid for a file name within Windows. So, if you try to save your VI with options and save the entire hierarchy, that file won't save until you remove the "/" in the filename. I renamed the source file but something should be done on your end so that files are not created like this. If I racall correctly, the only reason the file was able to exist like this is because it was saved within a library file and not by itself.
The second one: Create a VI with a string control. Type move text than will fit in the string box. Now chan
ge the text font to courier. Notice that you will only see two characters per line. Why is that?