# HELP - Upgrade Mender / Change UUID of Device - HELP

**URL:** <https://hub.mender.io/t/help-upgrade-mender-change-uuid-of-device-help/4287>\
**Category:** General Discussions\
**Created:** [November 8, 2021, 3:03pm UTC](https://hub.mender.io/t/help-upgrade-mender-change-uuid-of-device-help/4287 "2021-11-08T15:03:54Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![dellgreen](https://yyz2.discourse-cdn.com/flex036/user_avatar/hub.mender.io/dellgreen/32/85_2.png) [@dellgreen](https://hub.mender.io/u/dellgreen)\
**Post date:** [November 12, 2021, 11:20pm UTC](https://hub.mender.io/t/help-upgrade-mender-change-uuid-of-device-help/4287/4 "2021-11-12T23:20:01Z")

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this may help

> [@Delete a software installed with Mender](https://hub.mender.io/t/delete-a-software-installed-with-mender/4274):
>
> While trying to use Mender I used the hello-world Docker example and everything went smooth Now, the problem is, even if I remove the image and the container, under the device Dashboard in Mender on Installed Software it says that the device has installed docker hello-world-container-update Is there a chance to remove it? I’ve tried to remove the device, uninstall and reinstall Mender but it seems it remembers the device in some way

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_[View the full topic](https://hub.mender.io/t/help-upgrade-mender-change-uuid-of-device-help/4287)._