Problem

Checksum Validation Failed error appears when patches are downloaded from vendor sites.

Cause

• Checksum Validation Failed - This issue might happen if the download process isn't successful or the downloaded installable is incomplete.
• The vendor may have released a new update. Wait for the next scheduled patch database sync to resolve the issue.
• Ensure that the configured Proxy settings has permission to download the installable files.

Resolution

1. Add the following domains to your proxy exceptions before downloading the installable file.
   • http://download.cdn.mozilla.net/ - for Mozila Firefox & Mozilla Thunderbird
   • http://*.adobe.com - for Adobe patches, flash player, Adobe air
   • http://fpdownload.macromedia.com - for Adobe Shockwave Player
   • http://javadl.sun.com - for Java updates
   • http://*.apple.com/ - for Mac OS updates, Quick time player, Itunes & JRE 1.6
   • http://cache-download.real.com - for Real player
   • http://*.oracle.com/ - for JRE 1.7
   • http://*.sourceforge.net/ - for Open Office
   • http://dl.google.com - for Google chrome s
   • http://ftp.jaist.ac.jp - for Mozilla Firefox 3.6
   • http://www.piriform.com - for CCleaner
   • http://www.tightvnc.com - for TightVNC
   • http://*.videolan.org/ - for TightVNC
   • http://*.tuxfamily.org - for Notepad ++
   • http://www.rarlab.com - for WinRAR
   • http://cdn01.foxitsoftware.com - for Foxit Reader
   • http://ftp.iitm.ac.in - for Libre Office
   • https://*.cdburnerxp.se- for CDBurnerXP
   • http://download.winzip.com - for Winzip
   • http://*.download.pdfforge.org - PDF Architect
   • http://allwaysync.com - for AllwaySync
   • http://ftp.gimp.org - for GIMP
   • http://download-installer.cdn.mozilla.net - for Firefox ESR
   • http://download-installer.cdn.mozilla.net - for Firefox ESR
   • http://download.poedit.net - for Poedit
   • http://secure.mozy.com - for MozyPro
   • http://download.teamviewer.com - for TeamViewer and TeamViewer Host
   • http://download3.vmware.com - for VMware Player
   • http://www.coreftp.com - for CoreFTP LE
   • http://downloadplugins.citrix.com - for Citrix Receiver
   • http://hipchat-ops.s3.amazonaws.com - for HipChat
   • http://cdn1.evernote.com - for Evernote
   • http://www.tracker-software.com - for PDF-XChange Viewer and PDF-XChange Editor
   • http://download.xnview.com - for XnView
   • http://down.bandisoft.com - for Bandizip
   • http://www.peazip.org - for PeaZip
   • http://files.programki.net - for AIMP
   • http://www.jamsoft.net - for TreeSizeFree
   • http://downloads.activestate.com - for ActiveState ActivePython
   • http://files.zimbra.com - for Zimbra Desktop
   • http://ca-dl.bandisoft.com - for Honeyview
   • http://cdn.bandicam.com - for Bandicam
   • http://cdn.bandisoft.com - for Honeycam and Honeyview
   • http://download.xnview.com - for XnConvert
   • http://secure.logmein.com - for Hamachi
   • http://clientupdates.dropboxstatic.com - for Dropbox
   • http://down5.flashget.com - for FlashGet
   • http://egnyte-cdn.egnyte.com - for Egnyte Desktop Sync
   • http://download.code42.com - for CrashPlan PROe
   • http://kjkpub.s3.amazonaws.com - for SumatraPDF
   • http://en.pdf24.org - for PDF24 Creator
   • http://www.ceruleanstudios.com - for Trillian
   • http://static.auslogics.com - for Auslogics Registry Cleaner
   • http://www.advancedinstaller.com - for Advanced Installer
   • http://www.wisecleaner.com - for Wise Registry Cleaner
   • http://www.telerik.com - for Fiddler
   • http://e3.boxcdn.net - for Box Sync
   • http://winamp.meggamusic.co.uk - for WinampM
   • http://inkscape.global.ssl.fastly.net - for Inkscape
   • http://download.freemake.net - for Freemake Video Converter
   • http://www.goodsync.com - for GoodSync
   • http://dl7.frostwire.com - for FrostWire
   • http://www.zoom.us - for Zoom
   • http://www.izarc.org - for IZArc
   • http://www.collageitfree.com - for CollageIt ges
2. Go toDownload Failed tab, select the patches and click Download and Publish Now option.
3. If the problem still persists, contact support.