Frequently Asked Questions

Lists of questions frequently asked by users, usually about different aspects of the our company, products, services or anything.

FAQ - General

Who are Zetakey?

We are software developers, embedded engineers, experts in browser technologies, internet technologyies. About Us or you will know more if you email us at

What is the target hardware?

Min. ARM200MHz ROM 20MByte RAM100MByte or above. We are highly configurable for different hardware and purpose, eg. screen size, menu, icon, UI flow

Is it open source software?

All the source code will be open based on the license of the related open source projects. Device specific layer and porting code are proprietary

Is it free of charge?

It is free to end-user and non-commercial use. Please feel free to try it before your want to purchase a licensed copy. Device manufacturers and solution vendors will be charged for consultancy service and integration support fee.

FAQ - Technical

Error message: "Out of memory, browser is shutting down"

RAM usuage is critical for embedded browser. For websites with large image or heavry javascript, it may exceed the memory size and cause the error memory. For example, full version is likely to use 100MByte of RAM.

Also, please check the memory configuration, System Properties > Memory. You can just the slider of storage memory vs program memory.

Is it possible to run zetakey in kiosk-mode (fullscreen without any ui-elements)?

This feature is for commercial use.

Yes, you can modify the "env.txt" under the browser folder by adding the following parameter. And then you can restart the browser.


Please noted the demo does not allow change the first page, so it will go to without UI. If you purchase the commercial license, you could change the first page to local file or internet website.

How to enable mouse cursor?

You can modify the "env.txt" under the browser folder by adding the following parameter. And then you can restart the browser.


Error message: "This website is not trusted, do you want to continue.."

Please ensure the device system clock is set correctly. For HTTPS connection, it require valid system time for secure connection.

Error message: "Cannot find zk_launcher or one of its components"

This error may be shown when using different CPU version, say ARM or X86, or incorrect Windows CE version.

Please check our download page

Can I change the "home page" to my own companies home page.

It is supported on commercial release. On commercial version, you will have the documentation and access to all available features.

Response on is very slow

There is a CSS gradient backgound in which cause a lot graphic computation. It is suggested to use the "Lite" version.

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