# Patch Download Failure - "Error 403"

## Problem

You are trying to download patches of Microsoft/other vendors. However Patch download fails with error message: "Error Code 403".

## Cause

Error code 403 occurs when the web server is not reachable or access to the server has been denied. This might happen due to various reasons such as, forbidden access, or connectivity issues.

## Resolution

1. Ensure that the configured Proxy settings has permission to download the installable files from the below mentioned websites:
   - *http://download.microsoft.com* - for Microsoft applications
   - *http://hyperion.zih.tu-dresden.de* - for Mozila Firefox
   - *http://ardownload.adobe.com* - for Adobe patches
   - *http://mirror.switch.ch* - for Mozilla Thunderbird
   - *http://fpdownload.macromedia.com* - for Adobe Shockwave Player
   - *http://fpdownload.adobe.com* - for Adobe Flash Player
   - *http://javadl.sun.com* - for Java updates
2. Retry the process of downloading the patch from the vendors website.
3. In case if this problem continues, kindly contact [msp-desktopcentral-support@manageengine.com](mailto:msp-desktopcentral-support@manageengine.com)

**Applies to:** Patch Deployment Failure, Patch Download Failure, Error 403

**Keywords:** Problem while downloading the patch from server, Patch Installation Failure