> Source: [sk180275](https://support.checkpoint.com/results/sk/sk180275)

# sk180275 - Harmony Endpoint Security Client installation is blocked when Windows Smart App Control is enabled

| Property | Value |
|----------|-------|
| Solution ID | sk180275 |
| Date Created | 2022-11-14 |
| Last Modified | 2024-02-01 |
| Technical Level | General |
| Products | Endpoint Security |
| Versions | Cloud, R82.20, R82.10, R82, R81.20 |

## Symptoms

- * Check Point Harmony Endpoint Security client installation is blocked when Windows 11 "Smart App Control" is enabled.

* The error shown while installing: "This version of Check Point Endpoint Security does not support Smart App Control. Please disable Smart App Control first and then retry"

## Solution

**For clients E88.00 and up:** It is now possible to install the Endpoint client on Windows 11 with enabled Smart App Control when the machine is offline. Previously, Smart App Control had to reach out to the internet to see if the app is recognized by Microsoft's app intelligence services. When approved, the client would then be allowed by Smart App Control to install.**For clients E87.50 and up:** It is now possible to install the Endpoint client on Windows 11 with enabled Smart App Control when, during installation, *the computer is connected to the Internet* . Previously, the installation on such computers was blocked.  
**For older clients:
To install the Harmony Endpoint Security client:**

Disable Windows 11 "Smart App Control" in the Windows settings.

**To install the Harmony Endpoint Security client when "Smart App Control" is enabled:**

This feature is not included in the product.

If you need it, please submit a Request for Enhancement as described in [sk71840](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk71840).

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