JustCode shouldn't interfere with Visual Studio formatter and doesn't override those 2 shortcuts(ctrl + k, ctrl + d(Edit.FormatDocument) and ctrl + u(Edit.Makelowercase)). You can check on what command the shortcuts are assigned by going to Tools -> Options -> General -> Keyboard and pressing the shortcut in "Press shortcut keys:".
Its possible that some other addin beside JustCode is interfering. If reassigning the shortcuts to the correct commands doesn't solve your issue. Please open a support ticket and provide us your JustCode logs located at %LocalAppData%\JustCode\Logs and information about the type of your project and the formatted file.
Also feel free to check out JustCode's formatter(ctrl + alt + f), it's more customizable and has more features than the built-in.
the Telerik team
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