> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.android-kiosk.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# KB: Why won't Kiosk Browser launch?

**Why won't Kiosk Browser launch?**

Some device manufacturers prevent switching of launchers programmatically which means we cannot automatically prompt to switch launchers. Device manufacturers known to have this issue are Xiaomi & Huawei however some users have reported issues with Lenovo & Acer devices.

We have put together an article that details how you can set the default launcher on various devices, that don't have the prompt to switch launchers.

You can find this article [here](https://kioskbrowser.crisp.help/en/article/setting-the-default-launcher-huawei-xiaomi-lenovo-acer-etc-3vr11h/).