• Debian 11 is approaching its end-of-life (vendor EOL date - August 31, 2026). Plesk Obsidian 18.0.80 will be the last release to support it.
    If you are running Plesk Obsidian on Debian 11, we recommend you upgrade those servers to Debian 12 using our dist-upgrade tool.
  • We plan to deprecate and remove the support for XML RPC protocol versions earlier than 1.6.9.1 in Plesk Obsidian 18.0.82. We strongly recommend that you update all existing integrations using earlier versions of the XML RPC protocol to comply with the version 1.6.9.1 specification.

Error 1720. There is a problem with this Windows Installer package. A script required

R

RHDAUTO

Guest
my System

Vista
4 gig ram
250gig hd
Service pack 2
IIS 7 fully installed


Plesk is very buggy, i haven't even started to add domains yet because i get this error when I try to install plesk "Error 1720. There is a problem with this Windows Installer package. A script required for this install to complete could not be run. Contact your package vendor"

It would be really good if the installer can check your system requirements/config first because according to the site mine dose meet the requirements but yet fails to install.

Why do i get this error and how do i fix it?

Starting to think this software is not for our company....... Make me think otherwise!
 
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