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App Control: Unable to Install App Control Agent Due to ParityDriver Issues

App Control: Unable to Install App Control Agent Due to ParityDriver Issues

Environment

  • App Control Agent (formerly CB Protection): All Supported Versions

Symptoms

  • Reinstallation Agent failed
  • Errors in Logs installation file 
Starting ParityDriver Rollback:
(WARNING) ParityDriver service does not exist.
(FAILURE) Unable to start ParityDriver service

Cause

There could be leftover registry keys or files that were in use and could not be deleted even if the box was rebooted

Resolution

  1. Log on to the affected endpoint
  2. Delete the C:\windows\system32\drivers\parity.sys
  3. Delete the C:\windows\system32\drvstore\parity* directory
  4. Then install using the following command line: 
msiexec /i {path}\{filename}.msi NOSTARTPARITY=1 NOSTARTDRIVER=1 /l*v {path}\manual_install.log
  1. Back to C:\windows\system32\drvstore\Parity*\ and right clicked the INI or INF file and hit Install
  2. Reboot the box
  3. Confirm the agent and the driver should be running

Additional Notes

This issue may happen even if the Agent Uninstall Utility has been run

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Creation Date:
‎02-12-2021
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2145
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