Status of the most recent command to load the auxilliary web User Interface pages. Possible values: 0 = Operation completed successfully (or has not taken place). 2 = File not found on the file server. 12 = Insufficient memory to load all files. 20 = Identifier encountered while decoding is an ordinary file, not a directory. 22 = No file specified, or invalid file format. 35 = File format is not supported. 68 = Operation is still in progress. Poll again later. 72 = Operation was started, but later was canceled.