Can't open Maya's help page in browser when I press F1

Question

I put my Maya on C-plate, then I open it, I want to watch Maya's help so I press F1, but this page can't turn into my Chrome, I got a error, please look at these pictures:

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Answer 1

I was solved this problem yesterday , Now I briefly describe my solution .

1.the error is "Window can't find UCHTML\\shell\\open\\command", UC is browser, like Chrome , I think I have no this browser , so I got this error , I tried to download UC browser , then I can open help page by UC browser , Now I know registry is wrong make MAYA think open HTML page need UC browser . so I check registry.
2.open Registry Editor , By modifying Computer\\HKEY_CLASSES_ROOT.htm and Computer\\HKEY_CLASSES_ROOT.html 's Default value as ChromeHTML , Their value was originally UCHTML , change ChromeHTML Now ,then You can open help page by your chrome .