Minecraft Error 437 [top] Download Access

Have a different error code? Check our guides for Error 5, Error 6, and the dreaded “Unable to update Minecraft Native Launcher.”

Error 437 can occur because a previous failed download left a "locked" or "zero-byte" file. Deleting the cache forces a clean redownload. minecraft error 437 download

If none of the above steps work, you might consider uninstalling and reinstalling Minecraft. Have a different error code