Application not working in 64 bit machine dot net

Pandey, Monika 1 Reputation point
2021-07-07T04:46:53.877+00:00

My code is not working after upgrading machine to 64 bit.
What code changes help me to resolve this issue.

(<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<configSections>
<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net" />
<sectionGroup name="applicationSettings" type="System.Configuration.ApplicationSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=****************" >
<section name="***********.Settings" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=*************" requirePermission="false" />
</sectionGroup>)

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