Why is the screen black when I try to capture the screen on Windows?
This issue is most likely caused by your anti-virus application. Anti-virus software, such as Webroot, will block applications from taking screenshots. The solution is to configure your security software to allow Clarify access to the screen.
As of this writing, you can find instructions on changing the settings for an application in Webroot at the following URL:
You should change Clarify.exe from Deny to Protect or Allow.