english groove.exe (2000-10-17) supported next to the german one: named exe sites found by signatures per build (german patches byte-identical), base patch and every exe mod on both, unknown builds get a clear message; display diagnostics moved to troubleshooting with a warning (it flashes every monitor black)

docs/manual/20-troubleshooting.md

@@ -11,6 +11,7 @@
 | "Not enough free disk space" | The game copy needs about 900 MB. Free up space or choose another **Data folder**. |
 | The game hangs or its window is gone | Click **■ Quit game** in LlamaMod (the Play button while the game runs). |
 | "The game crashed" | Switch off the mods you turned on last, or click **Restore original**, and play again. If the original game crashes too, report it with `game.log` (**Settings → Logs**). |
+| All monitors flash black for half a minute or more when the game starts | The **Built-in cheats** option *Troubleshooting: write display diagnostics* is on. It makes the game try every screen mode of every monitor before it starts. Switch it off; use it only when you are asked for a display report. |
 | "groove.exe was removed or changed" | Click **Rebuild**; LlamaMod writes it again and then starts the game. On Windows, see [Antivirus warnings](#antivirus-warnings). |
 
 ## The editor