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Code Signing Certificate FAQ

Frequently asked questions about code signing certificates

What is this "FILE is not commonly downloaded and could harm your computer" message? (SmartScreen)
 That, my friends, is SmartScreen. A reputation based filter from Microsoft that many modern browsers use. You can get the details here if you want to read ...
How long does it take to get a Code Signing Certificate?
Assuming you have all of the documentation required ready to send over the entire process generally takes no more than 2 business days. For more informati...
What happens when my Code Signing Certificate expires?
Code signing certificates are valid from 1 to 5 years. When your certificate expires only your ability to create new signatures is affected, past signatures...
What is a timestamp?
Put simply, a timestamp records when a signature was created. Because all code signing certificates expire it is important for any software verifying a digi...
What browsers are supported?
The only time a browser comes into the equation is at order and collection time. Users do not need to install the certificate for it to change the Unknown P...
What does the error message "[You] do not own the corresponding private key" mean?
Generally that means that you are visiting the collection link either in a different browser or on a different computer than the one you used to order. The ...
What do I do after I click the collection link and install my Code Signing Certificate?
In order to use your certificate you need to export it to a file.There are a number of browser-based export tutorials located here. If you're stuck jus...
What's the deal? Why are K Software's prices so low?
The code signing and web server SSL certificates we sell are completely genuine and exactly the same certificates you can get directly through Comodo. Our p...
Can Comodo Code Signing Certificates be used for kernel mode driver signing?
Yes! See our first FAQ question for the details.
Will K Software's certificates work for Mozilla, Android, Java, Adobe AIR, Flash, Silverlight, MS-Office and OSX/iOS?
YES! One certificate will sign on ALL supported platforms. Microsoft Authenticode (DLL, EXE, COM, etc), Java, Mozilla, Android, Adobe AIR, Flash, Silverligh...