Installing problem of Tekla Structures: Error 1905


Software version: Not version-specific

Last updated April 19, 2021 by Tekla Global Support tekla.structures.ghd@trimble.com

Environment: 
Not environment-specific

Installing problem of Tekla Structures: Error 1905

Question: My computer has a problem when installing Tekla Structures. Its shows error 1905.
How can I fix it? How can I install Tekla Structures? 


 
Answer: You need to manually unregister the DLL in question.
1. Open Command Prompt as administrator (type "cmd" to search, right-click on the shortcut and select "Run as administrator").
2. Type the following command (replace <version> with your Tekla Structures version number e.g. 2019.0) and press Enter:
regsvr32 /u "C:\Program Files\Tekla Structures\<version>\nt\bin\analysis\x64\com_analysis.dll"

If the above one does not work you might need to clean the version-specific registry keys using Registry Editor. Check instructions here: Performing a Clean Install of Tekla Structures.
After clearing the registry keys, restart your PC. Now you should be able to install Tekla Structures. 
 

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Error 1905

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