---
title: Installing OnColor Color Software under Windows 7 and Vista - Part 2
description: This article explains how to keep the OnColor  color formulation and QC software hardlock key from losing communications in Windows 7 and Vista.
image: https://www.cyberchromeusa.com/hs-fs/file-26136737-jpg/images/protection_violation.jpg
---

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# Color QC and Matching Blog

# Installing OnColor Color Software under Windows 7 and Vista - Part 2

Posted by Myron Langer on Mon, Apr 30, 2012

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When installing the OnColor color QC and formulation software under Windows 7 or Vista, there are some settings in the operating system that should be noted.

The default setting in Windows 7 allows for the computer to “sleep” or hibernate after a preset interval of inactivity. This disables power to the USB ports and causes a lost communications error to occur. When the power to the USB port is turned off, OnColor can no longer read the hardlock key and a software Protection Violation occurs.  It may look like this:

 ![Protection Violation](https://www.cyberchromeusa.com/hs-fs/file-26136737-jpg/images/protection_violation.jpg)

This can be annoying for the operator because you will need to unplug the hardlock key and re-establish communications with the key.  To prevent this from happening, click on the [START] button on the lower left of your desktop. Then, select as follows:

 **Control Panel**

**└―—> Hardware & Sound**

**     └―—> Power Options**

**             └―—> Change Plan Settings**

 The following dialog box will be displayed where you can change these settings:

![Display Settings Win7](https://www.cyberchromeusa.com/hs-fs/file-26135280-jpg/images/display_settings_win7.jpg)

Note: You can set [Turn off the display] to any value that is desired. [Put the computer to sleep] must be set to [Never].

 

Select [Save changes]to save this as the default setting.

 

 Tags: [OnColor](https://www.cyberchromeusa.com/color-qc-and-matching-blog/topic/oncolor), [color computer](https://www.cyberchromeusa.com/color-qc-and-matching-blog/topic/color-computer), [Vista](https://www.cyberchromeusa.com/color-qc-and-matching-blog/topic/vista), [Windows 7](https://www.cyberchromeusa.com/color-qc-and-matching-blog/topic/windows-7), [Product Information](https://www.cyberchromeusa.com/color-qc-and-matching-blog/topic/product-information)

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