Frequently asked questions

Q: What is the difference between registered (full) and unregistered version of KCleaner?
A: Unregistered version is completely free and allows you to perform complete scan of your system. You can use it for unlimited time. However, there are of course some limitations comparing to registered version:
- Unregistered version displays some popup windows and other messages, inviting you to registration. Registered version displays none of those messages.
- Unregistered version allows you to repair only 10 errors/day. There is no such limitation in registered version.

Q: Are the updates free of charge?
A: Yes. All updates of KCleaner are free of charge, for both registered and unregistered version.

Q: I lost my Unlock (License) key, what should I do?
A: Contact us and don't forget to write the same e-mail address you have used in your order. We will send you your license key again.

Q: Can I install KCleaner on more computers?
A: No. You need to buy more licenses. Our licence agreement allows you to use one license on one computer.

Q: I bought the license key but cannot unlock the software
A: Please follow these steps: Select the serial number/registration key. Press Ctrl+C, click in the registration field and then press Ctrl+V. By doing this you will avoid misprints.

Q: Is your order page secure?
A: Yes, the online ordering process is fast, easy, and fully secure. Payments are processed by FastSpring, a reputable software registration company with excellent payment security. FastSpring processes payments for thousands of software developers worldwide.

Q: Where are you located?
A: Mailing address and other contact details could be found on our Contact page.

Q: Do you offer box version of KCleaner?
A: No. KCleaner is distributed only via download.

Q: Where is your old Knight Cleaner?
A: It was replaced by KCleaner. KCleaner is a new, improved version of our old registry cleaner called Knight Cleaner. KCleaner offers new, fresh look and lot of improvements.

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From our users:
...great and simple to use tool... PC startup and shutdown speed has rapidly increased...

...the most user friendly registry optimizer I've ever tried...
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