Dear Andrea,
The following Windows version is installed on my computer: Microsoft
Visual C++ 2015-2022 Redistributable (x64) - 14.36.32532
The workaround you suggested solved the problem! On my computer
msvcp140.dll was located in OSGeo4W\bin and I copied it to
OSGeo4W\apps\Qt5\bin.
As an alternative, Thomas Nogatz suggested the following, which also
worked: Start the OSGeo4W shell (type "OSGeo..." in Windows search). In
the shell, enter "designer and press enter.
Many thanks!
Jochem
Am 16.02.2026 um 09:17 schrieb Andrea Giudiceandrea via QGIS-User:
Hi Jochem,
it looks like the issue may be related to the Microsoft Visual C++
Redistributable version installed in your (and my) Windows system.
Could you please indicate the version of the latest Microsoft Visual
C++ Redistributable installed in your system?
To workaround the issue, you could copy the file msvcp140.dll from
apps\bin to apps\qt5\bin.
Then you should launch the Qt Designer normally from the shortcut link
icon "Qt Designer with QGIS ... custom widgets".
Regards.
Andrea
Il 16/02/2026 07:27, Jochem Kail ha scritto:
Dear Andrea,
many thanks for replying. Yes, there is a report stating that
designer.exe resulted in an error.
Error code 0xc0000005, error offset 0x0000000000012f58, error
process-ID, 0x204C, error path ...\OSGeo4W\apps\qt5\bin\designer.exe,
error module C:\WINDOWS\SYSTEM32\MSVCP140.dll
Best regards
Jochem
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--
sent from my R2 unit
-------------------------------------------------------
Jochem Kail
Dr. rer. nat.
University of Duisburg-Essen
Faculty of Biology
Department of Aquatic Ecology
Universitätsstrasse 5
D-45141 Essen
Germany
Room S05T03B08
Tel: +49.201.183.3046
Tel: +49.228.44636.33
Fax: +49.201.183.2179
[email protected]
http://www.uni-due.de/aquatic_ecology/staff/kail.shtml
Important note: The university server does not accept old Microsoft Office
files (e.g. *.doc) but only the recent version (e.g. *.docx)!
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