I Fixed it by installing 6.3.4 version cna-windows-k9-installer-6-3-4-en.exe  like @kevinmitnick in his post below says.Afterwards I tried uninstalling this version but got the same message.in the window where you must choose the java.exe, I went to ...

Hi all,This solved my issue.I am the proud owner of a Cisco Catalyst WS-C2960X -48FPS-L and four WAP571's.IOS version: Cisco IOS Software, C2960X Software (C2960X-UNIVERSALK9-M), Version 15.2(7)E4I experienced the same problem. The Catalyst did not g...

Thanks!I'll keep that in mind.Will try and put html folder in the root folder instead of the IOS version folder.probably  won't solve it, but want to try it, so I can't say to myself that I didn't try everything.Again thanks again and if it works i'l...

Hi!Did resolve this issue? And if yes, would you mind telling me how you did it?I'm having the same problem. Thanks!