---
title: "Error upgrading the Tracker: \"Cannot delete the service\""
slug: "error-upgrading-the-tracker-cannot-delete-the-service"
updated: 2024-03-04T18:17:12Z
published: 2024-03-04T18:17:12Z
canonical: "kb.pharos.com/error-upgrading-the-tracker-cannot-delete-the-service"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://kb.pharos.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Error upgrading the Tracker: "Cannot delete the service"

While upgrading the Blueprint Tracker, the following error message appears regarding the Blueprint ComTaskMaster service:

"Cannot delete the service."

---

This error appears if the Windows Services manager (Administrative Tools > Services) is open and the Pharos Systems ComTaskMaster service is highlighted while the upgrade is running. To avoid this error, close the Services manager before running the upgrade.

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