The loading of Webgui is not successful, "Please wait..." message might be displayed.
In the HTTPWatch trace it is visible, that it is not a general kernel extraction issue which is described in KBA 1651937 because the ITS related mime (js) files are loaded correctly (HTTP 200):
There are two HTTP 404 errors:
Internet Transaction Server (ITS)
SAP GUI for HTML (Webgui)
SAP NetWeaver 7.50 and 7.51
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