I keep getting " Could not initialize license activation window" error upon start of Unity 5

I have downloaded the unity 5 (tried a manual download as well) I even tried with and without the demo but every time I try to launch I keep getting this pop-up. I have scoured the forums, help, even sent in a bug report , but can not find any help on the subject. Can anyone please offer some suggestions?
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i fix it!!first i dowload Dependency walker, using this program i opened xull.dll archive (you can found it in Unity/Editor/Gecko.Resources), the program will mark in red the dll that you need, you download the missing archives in the same folder that xull and that’s all :), in my case i needed msvcr100.dll