Early this morning I manage to login, with the high CPU usage problem. Restart my computer and now I can't login anymore, I've already reinstalled skype but it changed nothing nor the compatibility mode with 7,vista or XP sp3.
Windows 8 Firewall is already disabled.
I stay on main login page with an infinite looping circle next to login info.
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Accepted Solutionby Claudius
Please keep in mind that Windows 8 Release Preview is still not the final version of Windows 8 not for productive use. It's intended to identify problems like this. Skype will ensure that the application will run fine on the Windows 8 Release Version.
Quit Skype or use Windows Task Manager to kill any Skype.exe process. Go to Windows Start and in the Search/Run box type %appdata%, press Enter or OK button. The Windows File Explorer will popup. Locate there a folder with the name Skype. Rename this folder to something different, e.g. Skype_old. Restart Skype.
N.B. If needed, you will still be able to re-establish your call history. All data are still saved in the Skype_old folder.
Okay, I logged in, but my chat/call history is gone. And I want my chat history. When I copy my folder, it doesnt want to log in again... what can I do ..?
You only need to copy the main.db file, which you will find in the folder named as your Skype name. make sure that Skype is not running when you are doing this.
After delete Skype folder from AppData I'm able to log in. But issue with high CPU usage remains..