Google installer deployment error in windows 7

The following error log is noted from the CAO1E3GH.log file and it is about deploying google installer application file.


Error summary :
Opening the google installer application file from the site http://dl.google.com/update2/1.2.183.39/GoogleInstaller_en.application?appguid%3D%7B8A69D345-D564-463C-AFF1-A69D9E530F96%7D%26iid%3D%7B832EBB47-8E92-3DA7-37EF-502D6C96F606%7D%26lang%3Den%26browser%3D2%26usagestats%3D0%26appname%3DGoogle%2520Chrome%26needsadmin%3Dfalse%26brand%3DCHNG%26installdataindex%3Dhomepagepromo resulted in exception. Following failure messages were detected:

•  Error creating the Web Proxy specified in the 'system.net/defaultProxy' configuration section.
• Acess to the path 'global\.net clr networking ' is denied.

Error details :
Following errors were detected during the operation.
    * System.Configuration.ConfigurationErrorsException
        - Error creating the Web Proxy specified in the 'system.net/defaultProxy' configuration section.
        - Source: System
        - Stack trace:
            at System.Net.Configuration.DefaultProxySectionInternal.GetSection()
            at System.Net.WebRequest.get_InternalDefaultWebProxy()
            at System.Net.HttpWebRequest..ctor(Uri uri, ServicePoint servicePoint)
            at System.Net.HttpRequestCreator.Create(Uri Uri)
            at System.Net.WebRequest.Create(Uri requestUri, Boolean useUriBase)
            at System.Net.WebRequest.Create(Uri requestUri)
            at System.Deployment.Application.SystemNetDownloader.DownloadSingleFile(DownloadQueueItem next)
            at System.Deployment.Application.SystemNetDownloader.DownloadAllFiles()
            at System.Deployment.Application.FileDownloader.Download(SubscriptionState subState)
            at System.Deployment.Application.DownloadManager.DownloadManifestAsRawFile(Uri& sourceUri, String targetPath, IDownloadNotification notification, DownloadOptions options, ServerInformation& serverInformation)
            at System.Deployment.Application.DownloadManager.DownloadDeploymentManifestDirectBypass(SubscriptionStore subStore, Uri& sourceUri, TempFile& tempFile, SubscriptionState& subState, IDownloadNotification notification, DownloadOptions options, ServerInformation& serverInformation)
            at System.Deployment.Application.DownloadManager.DownloadDeploymentManifestBypass(SubscriptionStore subStore, Uri& sourceUri, TempFile& tempFile, SubscriptionState& subState, IDownloadNotification notification, DownloadOptions options)
            at System.Deployment.Application.ApplicationActivator.PerformDeploymentActivation(Uri activationUri, Boolean isShortcut, String textualSubId, String deploymentProviderUrlFromExtension, BrowserSettings browserSettings, String& errorPageUrl)
            at System.Deployment.Application.ApplicationActivator.ActivateDeploymentWorker(Object state)
        --- Inner Exception ---
        System.UnauthorizedAccessException
        - Access to the path 'Global\.net clr networking' is denied.
        - Source: mscorlib
        - Stack trace:
            at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
            at System.Threading.Mutex.<>c__DisplayClass3.<.ctor>b__0(Object userData)
            at System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)
            at System.Threading.Mutex..ctor(Boolean initiallyOwned, String name, Boolean& createdNew, MutexSecurity mutexSecurity)
            at System.Diagnostics.SharedUtils.EnterMutexWithoutGlobal(String mutexName, Mutex& mutex)
            at System.Diagnostics.SharedPerformanceCounter.Verify(CategoryEntry* currentCategoryPointer)
            at System.Diagnostics.SharedPerformanceCounter.FindCategory(CategoryEntry** returnCategoryPointerReference)
            at System.Diagnostics.SharedPerformanceCounter.GetCounter(String counterName, String instanceName, Boolean enableReuse, PerformanceCounterInstanceLifetime lifetime)
            at System.Diagnostics.SharedPerformanceCounter..ctor(String catName, String counterName, String instanceName, PerformanceCounterInstanceLifetime lifetime)
            at System.Diagnostics.PerformanceCounter.Initialize()
            at System.Diagnostics.PerformanceCounter.set_RawValue(Int64 value)
            at System.Net.NetworkingPerfCounters.Initialize()
            at System.Net.Configuration.SettingsSectionInternal..ctor(SettingsSection section)
            at System.Net.Configuration.SettingsSectionInternal.get_Section()
            at System.Net.Sockets.Socket.InitializeSockets()
            at System.Net.NetworkAddressChangePolled..ctor()
            at System.Net.AutoWebProxyScriptEngine.AutoDetector.Initialize()
            at System.Net.AutoWebProxyScriptEngine.AutoDetector.get_CurrentAutoDetector()
            at System.Net.AutoWebProxyScriptEngine..ctor(WebProxy proxy, Boolean useRegistry)
            at System.Net.WebProxy.UnsafeUpdateFromRegistry()
            at System.Net.WebProxy..ctor(Boolean enableAutoproxy)
            at System.Net.Configuration.DefaultProxySectionInternal..ctor(DefaultProxySection section)
            at System.Net.Configuration.DefaultProxySectionInternal.GetSection()

Operation progress status :

The user have chosen to open GoogleInstaller_en.application file (http://dl.google.com/update2/1.2.183.39/GoogleInstaller_en.application?appguid%3D%7B8A69D345-D564-463C-AFF1-A69D9E530F96%7D%26iid%3D%7B832EBB47-8E92-3DA7-37EF-502D6C96F606%7D%26lang%3Den%26browser%3D2%26usagestats%3D0%26appname%3DGoogle%2520Chrome%26needsadmin%3Dfalse%26brand%3DCHNG%26installdataindex%3Dhomepagepromo) from the site dl.google.com.