# How to locate log files for the Illumina Lab Automation Software Solution Infinium Module (ILASS)

To access log files for the Illumina Lab Automation Software Solution (ILASS) Infinium Module (eg, IAPS), open File Explorer on the instrument control computer and navigate to:

**C:\ProgramData\Illumina\ILASS-Infinium\logs**

| **Log folder** | **Description**                                                                                 |
| -------------- | ----------------------------------------------------------------------------------------------- |
| activity       | Contains log information on the various activities performed on the instrument control computer |
| application    | Contains log information on errors, warnings, and information from the ILASS application        |
| assayrun       | Contains log information on the assay run                                                       |

To view a log file, open it using a compatible text reader such as Notepad.

For more information, see the [Illumina Lab Automation Software Solution Product Documentation](https://support.illumina.com/downloads/ilass-product-documentation.html).

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