App Control: Error 2502 & 2503 when attempting install / uninstall an app control agent

[#1]

Environment

• App Control agents: All versions
• Microsoft Windows: All versions

Symptoms

The following errors can be seen when attempting install / uninstall an app control agent:
 

Error 2502.Called InstallFinalize when no install in progress.
Error 2503.Called RunScript when not marked in progress.

 

Cause

The issue can have multiple causes but the most commons are: 

• Incorrect user grants over the folders C:\Windows\Installer and C:\Windows\Temp
• Incorrect system date 

Resolution

1. Made sure the date on the end point is correct. If the time is incorrect please follow the below steps:
   1. right click on the time  in the taskbar. 
   2. select adjust date/time.
   3. disable set time automatically .
   4. click on the change button in "set time manually".
   5. enter the time and date.
2. Ensure the  following permissions are set  to the folders  C:\Windows\Installer and C:\Windows\Temp
   1. Right click on  C:\Windows\Installer folder and select properties 
   2. go to the security tab and apply the following properties:

      User or group	Grant
      SYSTEM	Full Control
      Administrators	Full Control

 

Additional Notes

A system reboot may be needed.