> Source: [sk177948](https://support.checkpoint.com/results/sk/sk177948)

# sk177948 - Error during Endpoint Client security installation: "Unable to upgrade. The version of the Check Point Endpoint Security that is already installed on your machine is higher than the one you are trying to install."

| Property | Value |
|----------|-------|
| Solution ID | sk177948 |
| Date Created | 2022-02-23 |
| Last Modified | 2022-02-27 |
| Technical Level | Advanced |
| Products | Endpoint Security |
| Versions | Cloud, E89.X, E88.X |
| OS | Windows |

## Symptoms

- * Error during Endpoint Client security installation: "Unable to upgrade. The version of the Check Point Endpoint Security that already installed on your machine is higher than the one you are trying to install."
* The following error appears in the Endpoint Security Client installation log:   

  `DATE TIME Found application: {xxxxxxxx-xxxxxxxx-xxxxxxxxx-xxxxxxxx}`   
  `DATE TIME Unable to upgrade. The version of the Check Point Endpoint Security that is already installed on your machine is higher than the one you are trying to install.`

## Cause

A key from a previous Endpoint Security Client installation has remained in the system registry.

## Solution

This solution requires authentication. Please log in to view the full solution.

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