Article ID: 9267, created on Nov 4, 2010, last review on Mar 28, 2016

  • Applies to:
  • Plesk


Unable to open Tools & Settings > Updates & Upgrades (for Plesk 11 and higher) or Tools & Utilities > Updates (for Plesk 10) page just loads continuously or a blank page is displayed.


Port 8447 is blocked by the Firewall


Since version 10.0.0, Updates and Upgrades starts Plesk Installer, which provides access to its web interface on port 8447. Verify that the port is open on your server and is not blocked by a firewall.

For details about what ports should be opened on a server to successfully use Plesk, visit:

  • 391 Which Ports Need To Be Opened for all Plesk Services to Work with a Firewall?

If port 8447 is not blocked on your server, visit the following article:

  • 9283 Updates and Upgrades page cannot be opened: it just loads continuously. Port 8447 is not filtered

Note: Plesk Installer is not running all the time, but started on-demand when accessed through Plesk.

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Updates and Upgrades page cannot be opened: it just loads continuously.


Windows Update

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