Is it safe to upgrade in this fashion. I have to update the files as well right?

What could be the reason of the error it is displaying, do I need to start all the process again. I think  database problem is not there?

 

Hi sebastian,

Thanks for reply..  I have tried by manual way and it work the site got upgraded from 4.9.2 to 4.9.5 , after upgrading to 5.4 , when I try to open the website it is displaying following error: Please guide how can I solve this

Server Error in '/' Application.

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Compilation Error

Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.

Compiler Error Message: BC32206: Indirect reference is being made to assembly System.Web.Extensions version 3.5.0.0, which contains 'DotNetNuke.Web.UI.WebControls.DnnWindowManager'. This Project references a prior version of System.Web.Extensions version 1.0.61025.0. To use 'DotNetNuke.Web.UI.WebControls.DnnWindowManager', you must replace the reference to System.Web.Extensions with version 3.5.0.0 or higher.

Source Error:

Line 30: <input id="ScrollTop" runat="server" name="ScrollTop" type="hidden" />Line 31: <input id="__dnnVariable" runat="server" name="__dnnVariable" type="hidden" />Line 32: <dnnui:DnnWindowManager ID="DnnWindowManager" runat="server" Visible="False">Line 33: </dnnui:DnnWindowManager>Line 34: </dnn:Form>

Source File: D:\websites\dev.pioj.gov.jm.dnn\www\Default.aspx    Line: 32

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Version Information: Microsoft .NET Framework Version:2.0.50727.4971; ASP.NET Version:2.0.50727.4971