After the Upgrade from SP1 to SP3 of APM 10.7 the WebView starts OK but the /ApmServer, and /#home;tr=0 (webview) stop working.
Release : Any APM Release
Component : APM Webview
1- Stop WebView and MOM Enterprise Manager processes
2- Delete the entire content [all files and directories] of <EM-Home>/work and <WV-Home>/work folders
3- Delete the entire content [all files and directories] of /configuration folder except file config.ini (DO NOT delete config.ini file)
4- start MOM Enterprise Manager and WebView processes
Note: If Enterprise Manager and WebView are installed under same directory, then <EM-Home> and <WV-Home> are the same.