Today RIM released an update to the BlackBerry 10 Dev Alpha, which was met with many problems. Many users couldn’t even get access to the download. Nonetheless, a work-a-round has been found for windows users:

  • Close Desktop Manger
  • Navigate to the following key in the registry: HKEY_LOCAL_MACHINE\SOFTWARE\Research In Motion\AppLoader (32-bit) or HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Research In Motion\AppLoader (64-bit)
  • Delete the SLSURL entry
  • Delete the WebSLURL entry.
  • Start up Desktop Manager

After successfully accomplishing this, the update should work for your Dev Alpha. Happy developing! P.S. You may need to do the restore method.

Shout out to @Bla1ze, @JCarty, @NikoG21, and  @brcewane!