[osgeo4w-dev] [osgeo4w] #660: Installation of QGIS-ltr 3.16.4 (32bit) failed

[OSGeo4W]

#660: Installation of QGIS-ltr 3.16.4 (32bit) failed
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Reporter:  Andreas Müller  |       Owner:  osgeo4w-dev@…
    Type:  defect          |      Status:  new
Priority:  major           |   Component:  Package
 Version:                  |  Resolution:
Keywords:                  |
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Comment (by peetwhittaker):

 I also experienced this using the 64-bit OSGeo4W Setup utility (see
 attached for setup log file). During the postinstall script for qgis-ltr-
 common, I got an error message stating that crssync.exe couldn't start
 "because libprotobuf-lite.dll is missing" (see attached image). The
 installer then reported the following info "qgis-ltr-common.bat exit code
 -1073741515".

 Launching QGIS then failed as it "could not load qgis_app.dll" (see
 attached image).

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Ticket URL: <https://trac.osgeo.org/osgeo4w/ticket/660#comment:1>
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OSGeo4W is the Windows installer and package environment for the OSGeo stack.