You can regenerate the display programs for all reports by entering REGEN ALL into the command line from the LR screen. A window will open that displays the name of each report as it is regenerated (see below). Do not press any keys during this process, as it will interrupt the process.
+-----------------------------------------------------------+ | Display program is now being generated | | | | Report Name: FILE USAGE | | Program Name: SR-00031 | | | | <<< DO NOT PRESS ANY KEYS >>> | | | +-----------------------------------------------------------+ |