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title: Checking System Parameters
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product: RPA Builder
version: 6.6
---

# Checking System Parameters

> For the full documentation index, see: https://docs.mulesoft.com/llms.txt

Some system parameters in _Windows_ significantly affect how the screen image is displayed. For
example, turning _ClearType_ (a font smoothing algorithm built into _Windows_) on or off affects the
rendering of almost all displayed text – this includes browsers, applications, system dialogs, menu
bars, etc.

![Example turning Clear Type on or off](/mulesoft/current/en-us/rpa-builder/6.6/_images/getting-started-checking-system-parameters-why-are-system-parameters-so-important-image1.png)

As you can see, there is a big difference between the display of text when _ClearType_ is on or off.
Our image search algorithm always compares a "_Pattern image_" to what is visible on the screen
during execution. Now imagine you capture a _Pattern image_ containing text on a system where
_ClearType_ is enabled (i.e. the left part of the picture above), but then execute the _Workflow_ on
a system where _ClearType_ is disabled. The _MuleSoft_ image search algorithm compares the left-hand
image to the right-hand one and, although it still finds the image, the match precision will be very
low.

Aside from _ClearType_, the image search is also affected by the "Menu drop shadow" setting and the
DPI setting.

The display parameters on the system used to create a _Workflow_ should always be identical to the
parameters on the system where the workflow is executed!

You should also turn off any settings or programs that may disrupt the _Workflow_ during execution
due to unexpected behavior, such as displaying sudden pop-up windows. Common causes of sudden
_Workflow_ failures are automatic updates to _Windows_ and other programs you have installed.

You should always configure your agent systems to show no unexpected behavior such as sudden
pop-ups, screensavers, or similar.

## Recommended Systems Settings

- Disable screen saver

- Turn off all power option properties

- Disable automatic _Windows_ updates

- Disable _ClearType_

- Disable menu drop shadow effects

- Set desktop scaling to _100%_

## Checking the System Parameters

The menu item _View_ → _Show System Parameters_ opens an overview over the most important settings
of your system.

Settings marked with a green circle can be left this way.

Settings marked with a red circle should be changed.

With the **Refresh** button you can check if setting changes have led to an optimization of the
status.