When Patch Connect Plus downloads patches from vendor sites, the process fails with "Error Code 403 or Unknown Host Exception".
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.
| Applications | Domain URLs |
| 3D XML Player | https://www.3ds.com |
| 7 zip | https://www.7-zip.org , https://raw.githubusercontent.com |
| 8x8 - Virtual Office | https://vod-updates.8x8.com |
| 8x8Click2Pop | https://support.8x8.com , https://8x8.okta.com |
| AbleWord | http://www.ableword.net |
| ActiveState ActivePython 2 | https://downloads.activestate.com , https://www.activestate.com |
| Adobe | http://*.adobe.com |
| Adobe Shockwave Player | https://fpdownload.macromedia.com |
| AdoptOpenJDK ,AutoHotkey,Bitwarden,BorderlessGaming,BowPad,Brackets,Client Center for Configuration Manager ,CMake,Conan Package Manager,ConEmu,Draw.io,DupeGuru,Engauge Digitizer,Ext2Fsd,Get_iPlayer,gh-api-cli,Git,Git Extensions,Git LFS,GitAhead,GPL Ghostscript,Graylog Sidecar,Greenshot,grepWin,HandBrake ,Hosts File Editor,IcedTea-Web,ImageGlass,KeePassXC,LAVFilters,LibreCAD,LLVM,Markdown edit,MongoDB Compass,mpv.net,mRemoteNG,NAPS,Nextcloud,Nomacs - Image Lounge,Notepad++,NSClient++,NVS,OpenJDK OpenShot,OpenWebStart,OWASP Zed Attack Proxy,Pandoc,Password Safe for Windows,PathCopy,PDFsam Basic,PeaZip,PowerShell,Programmers Notepad,Qalculate,quicklook,Red Notebook,Rocket Chat,ScreenToGif,ShareX,Simplenote,Spyder,StExBar,StreamLink Twitch GUI,StreamLink Twitch GUI (x64),Terminals,TeXworks,VidCutter,VSCodium,Zeal | https://github.com , https://github-releases.githubusercontent.com |
| Advanced Renamer | https://www.advancedrenamer.com |
| AI Viewer | http://aiviewer.com , https://aiviewer.com |
| Aimp | https://aimp.ru |
| Airdroid | https://dl.airdroid.com |
| AirParrot ,AirSquirrels Reflector,AirSquirrels Reflector Teacher | https://download.airsquirrels.com |
| AirServer Universal | https://dl.airserver.com |
| Airtame | https://airtame-app.b-cdn.net |
| Alibre Design x64 | https://alibre-usa.s3.us-west-1.amazonaws.com |
| Allway Sync | https://allwaysync.com |
| Amazon Corretto | https://corretto.aws |
| Amazon EC2Launch,Amazon Redshift ODBC Driver,Amazon SSM Agent,EC2ConfigService,SQLyog Community,WickrMe,WickrPro | https://s3.amazonaws.com |
| Amazon WorkSpaces,QlikView,Splashtop Streamer,Zoom Skype for Business Plugin | https://*.cloudfront.net |
| Anaconda 3 | https://repo.anaconda.com |
| Apple iTunes,Apple Safari | https://secure-appldnld.apple.com , https://appldnld.apple.com |
| Araxis Merge | https://www.araxis.com , https://downloads.araxis.com |
| Archi | https://www.archimatetool.com |
| Arixcel Explorer | https://www.arixcel.com |
| Artweaver | https://www.artweaver.de |
| AstroGrep,DisplayCAL,FrostWire,JEdit,Keepass,Pidgin,PyScripter,sciDAVis,Tux Paint,WinDjView,WinMerge,WinSCP | https://*.dl.sourceforge.net |
| ATnotes Version,HomeBank | http://atnotes.free.fr , http://homebank.free.fr |
| Attendant Pro | https://downloads.landiscomputer.com |
| Auslogics DiskDefrag,Auslogics Duplicate File Finder,Auslogics Registry Cleaner | http://downloads.auslogics.com |
| Authenticator | https://download.inwebo.com |
| Autodesk Design Review | https://download.autodesk.com |
| Azure Data Studio | https://sqlopsbuilds.azureedge.net |
| Bandicam,Bandicut | https://dl.bandicam.com |
| Bandizip,Honeycam | https://dl.bandisoft.com |
| Barracuda Network Access Client | https://d.barracudanetworks.com |
| Beyond Compare | https://www.scootersoftware.com |
| BigAntSoft Messenger | https://www.bigantsoft.com |
| Bitfocus Companion | https://builds.bitfocus.io |
| bitrix24 | https://dl.bitrix24.com |
| BleachBit | https://download.bleachbit.org |
| Blender | https://download.blender.org |
| Blender (x64) | https://ftp.nluug.nl |
| Blue Jeans Outlook addins,BlueJeans | https://swdl.bluejeans.com |
| Bluebeam Revu 2019 | https://downloads.bluebeam.com |
| BlueJ | https://www.bluej.org |
| BlueJeans Events | http://swdl.bluejeans.com , https://swdl.bluejeans.com |
| BOINC | https://boinc.berkeley.edu |
| Box Drive,Box for Office,Box Sync,Box Tools | https://e3.boxcdn.net |
| Bulk Rename Utility | https://www.s3.tgrmn.com |
| Calibre | https://download.calibre-ebook.com |
| Camtasia, SnagIt | https://download.techsmith.com |
| CCleaner,Speccy | https://download.ccleaner.com |
| CDBurnerXP | https://download.cdburnerxp.se |
| Cerberus FTP Server | https://www.cerberusftp.com |
| Charles | https://www.charlesproxy.com |
| cherrytree | https://www.giuspen.com |
| Cisco Jabber,Cisco Webex Meetings,Cisco Webex Meetings Virtual Desktop Plug-in,Cisco Webex Productivity Tools,Network Recording Player,WebEx Recorder and Player,WebEx Teams | https://*.webex.com |
| Cisco Proximity | https://proximity.cisco.com |
| Citrix Files | https://dl.sharefile.com |
| Citrix Files for Outlook,Citrix Receiver LTSR,Citrix Workspace,Citrix Workspace LTSR | https://downloads.citrix.com , https://downloadplugins.citrix.com |
| Clamav | https://www.clamav.net , https://clamav-site.s3.amazonaws.com |
| ClickUp | https://attachments3.clickup.com |
| Cobian Backup 11 Gravity | https://files.cobiansoft.com |
| CollageIt | https://www.collageitfree.com |
| ColorImpact | https://www.tigercolor.com |
| Core Temp | https://www.alcpu.com |
| CoreFTP LE | http://www.coreftp.com |
| CPUID CPU-Z | http://download.cpuid.com , https://download.cpuid.com |
| CPUID HWMonitor | https://download.cpuid.com |
| Crypt-o | https://www.soft-o.com |
| Cyberduck | https://update.cyberduck.io , https://a48823c7ec3cf4539564-60c534a1284a12ce74ef84032e9b4e46.ssl.cf1.rackcdn.com |
| DBeaver | https://dbeaver.io , https://download.dbeaver.com |
| DBeaver x64 | https://download.dbeaver.com |
| DBschema | https://dbschema.com |
| DeepBurner | https://www.deepburner.com |
| Dell Command Update,Dell SupportAssist Enterprise,Dell SupportAssist for Business (x64) | https://dl.dell.com , https://downloads.dell.com |
| Deluge,MuseScore 2,Open Codecs | https://ftp.osuosl.org |
| Dev-C++ | https://nchc.dl.sourceforge.net |
| DiKe | https://rinnovofirma.infocert.it |
| Docker Desktop | https://desktop.docker.com |
| Doxygen | https://www.doxygen.nl |
| DreamPie | https://github.com , https://github.s3.amazonaws.com |
| Dropbox | https://clientupdates.dropboxstatic.com |
| Druva inSync,Druva inSync Cloud | https://downloads.druva.com |
| DU Meter,dumeter | https://dl2.hageltech.com |
| Duo Authentication for Windows Logon,Duo Device Health Application,Duo Security Authentication Proxy | https://dl.duosecurity.com |
| Egnyte Connect,Egnyte Desktop Sync,Egnyte for Microsoft Office Desktop | https://egnyte-cdn.egnyte.com |
| eM Client | https://www.emclient.com , https://cdn-dist.emclient.com |
| Embrava Connect | https://f.hubspotusercontent40.net |
| EmEditor,Jabra Direct | https://*.blob.core.windows.net |
| Enterprise Architect | https://www.sparxsystems.com |
| EPOS Audio 3CX Plugin,HeadSetup Pro | https://epi.eposaudio.com , https://www.eposaudio.com |
| ESET Endpoint Antivirus,ESET Endpoint Security,ESET File Security | https://download.eset.com |
| Evernote | https://cdn1.evernote.com |
| Everything | https://www.voidtools.com |
| ExacqVision client,ExacqVision Webservice | https://cdnpublic.exacq.com |
| FactSet | https://download.factset.com |
| FastStone Image Viewer | https://www.faststonesoft.net |
| FileCloudDrive,FileCloudSync | https://cdn.codelathe.com |
| FileZilla Client | https://download.filezilla-project.org |
| FireAlpaca | https://www.portalgraphics.net |
| FlashBack Express 5,FlashBack Pro 5 | http://ds.bbsoftware.co.uk , https://files.bbsoftware.co.uk |
| FlashDevelop | https://www.flashdevelop.org |
| FMFirefoxCEESR | https://hicap.frontmotion.com |
| Fotosizer | https://downloads.fotosizer.com |
| Foxit Reader,Foxit PhantomPDF,Foxit PDF Editor | https://cdn09.foxitsoftware.com , https://cdn01.foxitsoftware.com |
| Free Download Manager | https://dn3.freedownloadmanager.org |
| Free PDF | https://www.pdfzilla.com |
| Freemake Video Converter | http://download.freemake.net |
| Freeplane | https://udomain.dl.sourceforge.net , https://sourceforge.net |
| FreePortScanner | https://www.nsauditor.com |
| FTPGetter Standard | https://www.ftpgetter.com |
| Gadwin PrintScreen | https://www.gadwin.com |
| GanttProject | https://dl.ganttproject.biz |
| Geany | https://download.geany.org |
| Geneious Prime | https://assets.geneious.com |
| GeoGebra | https://download.geogebra.org |
| GIMP | https://download.gimp.org , https://ftp.fau.de |
| Glary Utilities | https://download.glarysoft.com |
| GlassWire | https://download.glasswire.com |
| Glogg | https://glogg.bonnefon.org |
| GMetrixSms6 | https://www.gmetrix.net |
| Go Programming Language | https://golang.org , https://dl.google.com |
| GoCD Agent | https://download.gocd.org |
| GoodSync | https://www.goodsync.com |
| Google Chrome,Google Chrome Remote DesktopHost,Google Credential Provider for Windows,Google Drive,Google Drive File Stream,Google Earth,Google Earth Pro | https://dl.google.com |
| GoTo (x64) | https://goto-desktop.goto.com |
| GoTo Opener | https://launch.getgo.com |
| GoToMeeting | https://builds.cdn.getgo.com |
| Gpg4win | https://files.gpg4win.org |
| Hamachi,LogMeIn,LogMeIn Client | https://secure.logmein.com |
| HandBrake | https://download.handbrake.fr |
| Hangouts Chat | https://dl.google.com |
| HashTab | http://implbits.com |
| HeidiSQL | https://www.heidisql.com |
| Helix Versioning Engine | https://www.perforce.com , https://cdist2.perforce.com |
| Helix Versioning Engine (x64) | http://www.perforce.com , https://cdist2.perforce.com |
| Honeyview | http://dl.bandisoft.com |
| HttpMaster Express Edition,HttpMaster Professional Edition | https://www.httpmaster.net |
| Huddle | https://public.huddle.com |
| Hugin,Keepass,KeePass Password Safe Professional Edition,Open Office,PNotes.NET,ProjectLibre,TurboVNC,Vuze | https://excellmedia.dl.sourceforge.net , https://sourceforge.net |
| Icinga 2 | https://packages.icinga.com |
| iCloud | http://updates-http.cdn-apple.com |
| IETester | https://ietester.csfront.com |
| ImgBurn | https://download.imgburn.com |
| Inno Setup | https://files.jrsoftware.org |
| InstEd | http://apps.instedit.com |
| IrfanView | https://files02.tchspt.com |
| Iridium Browser | https://dl.iridiumbrowser.de |
| IZArc | https://www.izarc.org |
| Jamovi (x64) | https://www.jamovi.org |
| Java for Business 7Java Runtime Environment 1.6,Java Runtime Environment 1.7,Java SE Development Kit | http://download.oracle.com , https://download.oracle.com |
| Java Runtime Environment 1.8 | https://javadl.oracle.com , https://sdlc-esd.oracle.com |
| Java-Editor | http://www.javaeditor.org |
| JOSM | https://josm.openstreetmap.de |
| JTAlert | https://files.hamapps.com |
| K-Lite Codec | https://files3.codecguide.com |
| KakaoTalk | http://app.pc.kakao.com |
| KeePass Password Safe Classic Edition | http://excellmedia.dl.sourceforge.net , https://sourceforge.net |
| Keeper Password Manager | https://keepersecurity.com |
| Kerio Control VPN Client | https://cdn.kerio.com |
| Keybase | https://prerelease.keybase.io |
| Krita | https://download.kde.org , https://iso.mirrors.ustc.edu.cn |
| Krita (x64) | https://cdn.download.kde.org |
| Launchy | https://www.launchy.net |
| Lenovo System Update | https://download.lenovo.com |
| Lens | https://lens-binaries.s3-eu-west-1.amazonaws.com |
| LibreOffice,LibreOffice Help Pack | https://download.documentfoundation.org , https://mirrors.estointernet.in |
| LiClipse | https://www.mediafire.com , https://download1370.mediafire.com |
| Lifesize Installer | https://download.lifesizecloud.com |
| LifeView | https://files.ivari.ca |
| Listary | https://www.listary.com |
| LogFusion,Tray status | https://binaryfortressdownloads.com |
| Logtalk | https://logtalk.org |
| LyX | https://ftp.lip6.fr |
| MailStore Client,MailStore Outlook Add-in | https://download.mailstore.com |
| Mattermost | https://releases.mattermost.com |
| Maxthon | https://dl.maxthon.com |
| MaxTo | https://files.maxto.net |
| MediaMonkey | https://www.mediamonkey.com |
| MicroDicom DICOM viewer | http://www.microdicom.com |
| Microsoft Edge for business | https://msedge.sf.dl.delivery.mp.microsoft.com |
| Microsoft One drive | https://oneclient.sfx.ms |
| Microsoft Power BI Desktop,PBI Desktop RS | https://download.microsoft.com |
| Microsoft Teams (Machine Wide Installer) | https://statics.teams.cdn.office.net |
| Microsoft Visual Studio Code | https://az764295.vo.msecnd.net |
| Mirillis MonfloServer,Splash | https://downloads.mirillis.com , https://download.mirillis.com |
| Mixxx | https://downloads.mixxx.org , http://downloads.mixxx.org |
| Mixxx (x64) | https://downloads.mixxx.org |
| MOOSLight | https://www.moosprojectviewer.com |
| Mozilla Firefox ESR,Mozilla Thunderbird,Mozilla Firefox | https://download-installer.cdn.mozilla.net |
| Mozilla Thunderbird ESR | http://download-installer.cdn.mozilla.net |
| MozyEnterprise | http://www.mozyenterprise.com |
| MozyHome,MozyPro | http://secure.mozy.com |
| Mp3tag | https://download.mp3tag.de |
| MQTT.fx | https://www.jensd.de |
| Multi Commander | http://multicommander.com |
| Mumble | https://download.mumble.com |
| MuseScore 3 | https://cdn.jsdelivr.net |
| MyPhoneExplorer | https://www.fjsoft.at |
| NCPA | https://assets.nagios.com |
| Nessus Agent | https://www.tenable.com |
| Netpas Distance,Netpas Estimator,Netpas MMA | https://file.netpas.net |
| Nexusfont | https://s3.ap-northeast-2.amazonaws.com |
| NFOPad | https://www.truehumandesign.se |
| Nitro Pro | http://install.nitropdf.com , https://downloads.gonitro.com |
| Node js | https://nodejs.org |
| NoteTab Light | https://www.notetab.com |
| OBS Studio | https://cdn-fastly.obsproject.com |
| Ocenaudio | https://www.ocenaudio.com |
| OpenJDK JRE 11 redhat | https://access.cdn.redhat.com , https://access.redhat.com |
| OpenVPN | https://swupdate.openvpn.org |
| OpenVPN Connect | https://openvpn.net , https://swupdate.openvpn.net |
| Opera Stable | https://get.geo.opera.com |
| Oracle VM VirtualBox | https://download.virtualbox.org |
| Oxygen XML Developer,Oxygen XML Editor | https://www.oxygenxml.com , https://mirror.oxygenxml.com |
| Pale Moon | https://rm-eu.palemoon.org |
| Paralells Client | https://download.parallels.com |
| pdf tools,PDF-XChange Viewer | https://downloads.pdf-xchange.com |
| PDF-XChange Editor | http://downloads.pdf-xchange.com |
| PDF24 Creator | https://stx.pdf24.org |
| Perimeter 81 | https://static.perimeter81.com |
| pgAdmin 4 | https://ftp.postgresql.org |
| PhonerLite | https://www.phoner.de |
| Plantronics Hub | https://www.poly.com |
| Plex Media Player,Plex Media Server | https://downloads.plex.tv |
| PLSQL Developer | https://www.allroundautomations.com |
| Poedit | https://download.poedit.net |
| Poll Everywhere | https://polleverywhere-app.s3.amazonaws.com |
| Polycom RealPresence Desktop | https://downloads.polycom.com |
| PremiumSoft Navicat Essentials | http://download3.navicat.com |
| Promodag | https://files.promodag.com |
| ProtonVPN | https://protonvpn.com |
| Pulse Secure | https://www.pulsesecure.net |
| PuTTY | https://the.earth.li |
| PuTTY | https://github.com , https://raw.githubusercontent.com |
| Python 2.7 | https://www.python.org |
| Qemu | https://qemu.weilnetz.de |
| Qliq CONNECT | https://webprod.qliqsoft.com |
| QSYNC | https://download.qnap.com |
| QueueExplorer | https://www.cogin.com |
| QuiteRSS | https://quiterss.org |
| R for Windows | https://cran.r-project.org |
| Razor SQL | https://s3.dualstack.us-east-1.amazonaws.com |
| RealPopup | https://www.realpopup.it |
| Recuva | https://download.piriform.com |
| RedGate SQL Toolbelt | https://download.red-gate.com |
| Remote Desktop Manager | https://cdn.devolutions.net |
| RenWeb.com | https://rwfs.renweb.com |
| Rhino 5 Evaluation | http://files.na.mcneel.com |
| RingCentral Meetings,RingCentral Phone | http://dn.ringcentral.com , http://downloads.ringcentral.com |
| RoboForm | https://www.roboform.com |
| Royal TS | https://download.royalapps.com |
| RStudio | https://download1.rstudio.org |
| Scratch | https://downloads.scratch.mit.edu |
| Screaming Frog SEO Spider | https://download.screamingfrog.co.uk |
| Screenpresso | https://www.screenpresso.com |
| Seafile | https://s3.eu-central-1.amazonaws.com |
| SeaMonkey | https://archive.mozilla.org |
| Serviio | https://download.serviio.org |
| Silverjuke | https://www.silverjuke.net |
| Simple Sticky Notes | https://www.simplestickynotes.com |
| Simply Fortran | https://download.simplyfortran.com |
| Skype | https://download.skype.com |
| Slack | https://downloads.slack-edge.com |
| Slik Subversion | https://sliksvn.com |
| SnapGene Viewer | https://cdn.snapgene.com |
| SourceTree Enterprise | https://product-downloads.atlassian.com |
| Splashtop Business | https://download.splashtop.com |
| Splunk Enterprise Splunk Universal Forwarder | https://download.splunk.com |
| SRWare Iron | https://www.srware.net |
| Sticky Password | https://downloads.stickypassword.com |
| STP Viewer | http://stpviewer.com , https://stpviewer.com |
| SugarSync | https://download.sugarsync.com |
| SumatraPDF | https://kjkpubsf.sfo2.digitaloceanspaces.com |
| Swift | https://swift.im |
| SyncBackFree | https://www.2brightsparks.com |
| Syncovery | https://www.syncovery.com |
| Syncplicity | https://download.syncplicity.com |
| Synology Drive Client | https://global.download.synology.com |
| Tableau Desktop,Tableau Prep Builder,Tableau Reader | https://downloads.tableau.com |
| TagScanner | https://www.xdlab.ru |
| TeamDrive | https://download.teamdrive.net |
| TeamSpeak 3 Client | https://files.teamspeak-services.com |
| TeamViewer,TeamViewer Host | https://download.teamviewer.com , https://dl.teamviewer.com |
| TED Notepad | http://jsimlo.sk |
| Tera Term | https://jaist.dl.osdn.jp |
| TestNav | https://download.testnav.com |
| TeXnicCenter | https://sourceforge.net |
| TextExpander | https://cdn.textexpander.com |
| TextPad | https://www.textpad.com |
| Think-cell | https://static.think-cell.com |
| TightVNC,TightVNC Server,TightVNC Viewer | https://www.tightvnc.com |
| Tomahawk | https://download.tomahawk-player.org |
| TortoiseGit | https://download.tortoisegit.org |
| TortoiseHG x64 | https://www.mercurial-scm.org |
| TortoiseSVN | https://mirrors.tuna.tsinghua.edu.cn |
| TreeSize Free | https://www.jam-software.com , https://downloads.jam-software.de |
| TSPrint Client,TSPrint Server | https://www.terminalworks.com |
| Tugzip | https://www.koeln-krimis.de |
| UltraSearch | https://downloads.jam-software.de |
| UltraVNC | https://www.uvnc.eu |
| UrBackup | http://hndl.urbackup.org |
| Vagrant | https://releases.hashicorp.com |
| Veeam Agent For Windows | https://download2.veeam.com |
| VI MonitorPlus | http://downloadvi.com |
| VirtualCloneDrive | https://www.elby.ch |
| Viscosity for Windows | https://swupdate.sparklabs.com |
| VitalSource Bookshelf | https://downloads.vitalbook.com |
| Vivaldi | https://downloads.vivaldi.com |
| VLC Media Player | https://download.videolan.org , https://mirrors.estointernet.in |
| VMware Horizon Client,VMware Player,VMware Remote Console,vmware tools,VMware Workstation | https://*.vmware.com |
| VNC Server,VNC Viewer | https://www.realvnc.com |
| VooV meeting,WeChat,WXwork | https://down.qq.com , https://dldir1.qq.com |
| WatchGuard Mobile VPN with SSL client | https://cdn.watchguard.com |
| Waterfox (x64) | https://storage-waterfox.netdna-ssl.com |
| WeMeet | https://updatecdn.meeting.qq.com |
| Winamp | https://download.nullsoft.com |
| Windows Remote Desktop | https://query.prod.cms.rt.microsoft.com |
| Windows Repair | https://www.tweaking.com |
| Wing Personal IDE | https://wingware.com |
| WinRAR | https://www.rarlab.com |
| WinUtilities Free Edition | https://www.pcclean.io |
| Winzip | https://download.winzip.com |
| Wireshark | https://2.na.dl.wireshark.org |
| Wise Disk Cleaner,Wise Folder Hider,Wise Hotkey,Wise JetSearch,Wise Memory Optimizer,Wise Program Uninstaller,Wise System Monitor | https://downloads.wisecleaner.com |
| XMind 8 | https://dl3.xmind.net |
| XnConvert | http://download.xnview.com , https://download.xnview.com |
| XnView,XnViewMP | https://download.xnview.com |
| Yarn | https://classic.yarnpkg.com , https://github-releases.githubusercontent.com |
| Zimbra Connector for Microsoft Outlook | https://files.zimbra.com |
| Zoho Mail - Desktop | https://downloads.zohocdn.com |
| Zoom,Zoom Citrix HDX Media Plugin,Zoom Host for VDI,Zoom Notes Plugin,Zoom Outlook Plugin,Zoom Plugin for Vmware Horizon Client,Zoom Skype for Business Plugin | https://cdn.zoom.us |
| Zulu JDK,Zulu JRE | https://cdn.azul.com |