[osgeo4w-dev] [osgeo4w] #686: Error installing QGIS 3.16.9 using network installer (was: Error installing QGIS 3.18.9 using network installer)

[OSGeo4W]

#686: Error installing QGIS 3.16.9 using network installer
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Reporter:  peetwhittaker  |       Owner:  osgeo4w-dev@…
    Type:  defect         |      Status:  new
Priority:  major          |   Component:  Installer
 Version:                 |  Resolution:
Keywords:                 |
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Description changed by jef:

Old description:

> Upgrading from QGIS 3.18.8 to 3.18.9 using the network installer results
> in the following error during the installation procedure:
>
> {{{crssync.exe The program can't start because icuin56.dll is missing}}}
>
> This means that the qgis-ltr-common package fails to install correctly
> and QGIS fails to launch, with the following error:
>
> {{{Error loading QGIS - could not load qgis_app.dll. The specified module
> could not be found.}}}

New description:

 Upgrading from QGIS 3.16.8 to 3.16.9 using the network installer results
 in the following error during the installation procedure:

 {{{crssync.exe The program can't start because icuin56.dll is missing}}}

 This means that the qgis-ltr-common package fails to install correctly and
 QGIS fails to launch, with the following error:

 {{{Error loading QGIS - could not load qgis_app.dll. The specified module
 could not be found.}}}

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Ticket URL: <https://trac.osgeo.org/osgeo4w/ticket/686#comment:2>
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