Estoy tratando de instalar GitHub para Windows. Intenté instalarlo de la manera normal y obtuve este error:

Application installation did not succeed. Cannot locate application files on the server. Contact the application vendor or your administrator for assistance.

Haciendo clic enDetails... me dio esto:

PLATFORM VERSION INFO
    Windows             : 6.1.7601.65536 (Win32NT)
    Common Language Runtime     : 4.0.30319.18034
    System.Deployment.dll       : 4.0.30319.17929 built by: FX45RTMREL
    clr.dll             : 4.0.30319.18034 built by: FX45RTMGDR
    dfdll.dll           : 4.0.30319.17929 built by: FX45RTMREL
    dfshim.dll          : 4.0.41209.0 (Main.041209-0000)

SOURCES
    Deployment url          : http://github-windows.s3.amazonaws.com/GitHub.application
                        Server      : AmazonS3
    Application url         : http://github-windows.s3.amazonaws.com/Application%20Files/GitHub_1_0_47_0/GitHub.exe.manifest
                        Server      : AmazonS3

IDENTITIES
    Deployment Identity     : GitHub.application, Version=1.0.47.0, Culture=neutral, PublicKeyToken=317444273a93ac29, processorArchitecture=x86
    Application Identity        : GitHub.exe, Version=1.0.47.0, Culture=neutral, PublicKeyToken=317444273a93ac29, processorArchitecture=x86, type=win32

APPLICATION SUMMARY
    * Installable application.
    * Trust url parameter is set.
ERROR SUMMARY
    Below is a summary of the errors, details of these errors are listed later in the log.
    * Activation of http://github-windows.s3.amazonaws.com/GitHub.application resulted in exception. Following failure messages were detected:
        + Downloading http://github-windows.s3.amazonaws.com/Application Files/GitHub_1_0_47_0/msvcp100.dll.deploy did not succeed.
        + The remote server returned an error: (403) Forbidden.

COMPONENT STORE TRANSACTION FAILURE SUMMARY
    No transaction error was detected.

WARNINGS
    There were no warnings during this operation.

OPERATION PROGRESS STATUS
    * [5/21/2013 8:19:19 AM] : Activation of http://github-windows.s3.amazonaws.com/GitHub.application has started.
    * [5/21/2013 8:19:19 AM] : Processing of deployment manifest has successfully completed.
    * [5/21/2013 8:19:19 AM] : Installation of the application has started.
    * [5/21/2013 8:19:20 AM] : Processing of application manifest has successfully completed.
    * [5/21/2013 8:19:24 AM] : Found compatible runtime version 4.0.30319.
    * [5/21/2013 8:19:24 AM] : Request of trust and detection of platform is complete.

ERROR DETAILS
    Following errors were detected during this operation.
    * [5/21/2013 8:19:25 AM] System.Deployment.Application.DeploymentDownloadException (Unknown subtype)
        - Downloading http://github-windows.s3.amazonaws.com/Application Files/GitHub_1_0_47_0/msvcp100.dll.deploy did not succeed.
        - Source: System.Deployment
        - Stack trace:
            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.DownloadDependencies(SubscriptionState subState, AssemblyManifest deployManifest, AssemblyManifest appManifest, Uri sourceUriBase, String targetDirectory, String group, IDownloadNotification notification, DownloadOptions options)
            at System.Deployment.Application.ApplicationActivator.DownloadApplication(SubscriptionState subState, ActivationDescription actDesc, Int64 transactionId, TempDirectory& downloadTemp)
            at System.Deployment.Application.ApplicationActivator.InstallApplication(SubscriptionState& subState, ActivationDescription actDesc)
            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.Net.WebException
        - The remote server returned an error: (403) Forbidden.
        - Source: System
        - Stack trace:
            at System.Net.HttpWebRequest.GetResponse()
            at System.Deployment.Application.SystemNetDownloader.DownloadSingleFile(DownloadQueueItem next)

COMPONENT STORE TRANSACTION DETAILS
    No transaction information is available.

Seguí el consejo deesta publicación y descargadogithub-windows.s3.amazonaws.com/GitHub.application Con la última versión de Chrome. Cuando intenté ejecutarlo, recibí este error:

Application cannot be started. Contact the application vendor.

Con este detalle:

PLATFORM VERSION INFO
    Windows             : 6.1.7601.65536 (Win32NT)
    Common Language Runtime     : 4.0.30319.18034
    System.Deployment.dll       : 4.0.30319.17929 built by: FX45RTMREL
    clr.dll             : 4.0.30319.18034 built by: FX45RTMGDR
    dfdll.dll           : 4.0.30319.17929 built by: FX45RTMREL
    dfshim.dll          : 4.0.41209.0 (Main.041209-0000)

SOURCES
    Deployment url          : file:///C:/Users/SESA277661/Downloads/GitHub.application

IDENTITIES
    Deployment Identity     : GitHub.application, Version=1.0.47.0, Culture=neutral, PublicKeyToken=317444273a93ac29, processorArchitecture=x86

APPLICATION SUMMARY
    * Installable application.
    * Trust url parameter is set.
ERROR SUMMARY
    Below is a summary of the errors, details of these errors are listed later in the log.
    * Activation of C:\Users\SESA277661\Downloads\GitHub.application resulted in exception. Following failure messages were detected:
        + Deployment and application do not have matching security zones.

COMPONENT STORE TRANSACTION FAILURE SUMMARY
    No transaction error was detected.

WARNINGS
    There were no warnings during this operation.

OPERATION PROGRESS STATUS
    * [5/21/2013 8:29:33 AM] : Activation of C:\Users\SESA277661\Downloads\GitHub.application has started.
    * [5/21/2013 8:29:33 AM] : Processing of deployment manifest has successfully completed.
    * [5/21/2013 8:29:33 AM] : Installation of the application has started.

ERROR DETAILS
    Following errors were detected during this operation.
    * [5/21/2013 8:29:33 AM] System.Deployment.Application.InvalidDeploymentException (Zone)
        - Deployment and application do not have matching security zones.
        - Source: System.Deployment
        - Stack trace:
            at System.Deployment.Application.DownloadManager.DownloadApplicationManifest(AssemblyManifest deploymentManifest, String targetDir, Uri deploymentUri, IDownloadNotification notification, DownloadOptions options, Uri& appSourceUri, String& appManifestPath)
            at System.Deployment.Application.DownloadManager.DownloadApplicationManifest(AssemblyManifest deploymentManifest, String targetDir, Uri deploymentUri, Uri& appSourceUri, String& appManifestPath)
            at System.Deployment.Application.ApplicationActivator.DownloadApplication(SubscriptionState subState, ActivationDescription actDesc, Int64 transactionId, TempDirectory& downloadTemp)
            at System.Deployment.Application.ApplicationActivator.InstallApplication(SubscriptionState& subState, ActivationDescription actDesc)
            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)

COMPONENT STORE TRANSACTION DETAILS
    No transaction information is available.

Desde aquí estoy atascado. Cualquier consejo sería muy apreciado.

Estoy en una computadora de trabajo, por lo que puede haber algunas configuraciones de seguridad bloqueando algo, pero no sé todo eso.

Gracias chris