Error: Error writing to file: C:\Program Files (x86)\Citrix\ICA Client\SetIntegrityLevel.exe. Verify that you have access to that directory- when installing Citrix Receiver

When installing Citrix Receiver, users may receive the error, "Error writing to file: C:\Program Files (x86)\Citrix\ICA Client\SetIntegrityLevel.exe. Verify that you have access to that directory."
  1. Run the Citrix Cleanup Utility
  2. Open Windows Registry Editor and remove the following registry keys, if they exist:
    • HKEY_CURRENT_USER\Software\Citrix
    • HKEY_LOCAL_MACHINE\Software\Citrix
    • HKEY_LOCAL_MACHINE\Software\Wow6432Node\Citrix
    • HKEY_USERS\S-1-5-18\Software\Citrix
  3. Delete the following folders if they exist:
    • C:\Program Files\Citrix
    • C:\Program Files (x86)\Citrix
  4. Reboot the workstation
  5. Open Windows Registry Editor and confirm the above registry keys are no longer available
  6. Download and install the Citrix Receiver
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