Ccc2installexe Exclusive May 2026

Cause: Another process (often antivirus software or a previous driver installer) is holding a handle to the file. Solution:

  • Interrupt power cycling: Do not restart the PC immediately after installation. First, open Device Manager and verify that the “CCC2 Virtual COM Port” appears without a yellow exclamation mark. ccc2installexe exclusive

  • Perform a smoke test: Connect to a single zone controller. Toggle a photoeye via diagnostic mode. Only then restart the system. Cause: Another process (often antivirus software or a

    • Delete C:\Program Files\CCC2\.ccc2_exclusive.lck or /etc/ccc2/.ccc2_exclusive.lck only after verifying no ccc2install.exe is running via Task Manager or ps aux | grep ccc2. Interrupt power cycling: Do not restart the PC