Since Error 21000068 is often a hard-coded security lock, the original utility likely will not work regardless of how many times you restart.
The error code blinked on the tiny LCD screen in the back office of Pottysupport , a third-floor walk-up wedged between a laundromat and a psychic’s parlor. Adjprog Error Code 21000068 Support Printer Pottysupport
Ensure the printer is not in "Offline" mode and that no other printer-related software is currently using the communication port. Reset Utility: Communication error - OctoInkjet KB/FAQ Since Error 21000068 is often a hard-coded security
Temporarily disable your Antivirus or Firewall, as they often flag adjustment utilities as "suspicious" due to how they access hardware. 4. Correct Port Selection in AdjProg Adjprog Error Code 21000068 Support Printer Pottysupport