libfltk.dll, libbrotlienc.dll, libbrotlidec.dll and libzstd.dll were not found

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Антон Яблоновский

Dec 27, 2022, 2:52:49 PM12/27/22
to TigerVNC User Discussion/Support
I have successfully compiled TigerVNC on Windows 10 using

After starting TigerVNC, I get several dll errors (libfltk.dll, libbrotlienc.dll, libbrotlidec.dll and libzstd.dll for TigerVNC Viewer). After moving the dll files to the vncviewer folder I got the "The application was unable to start correctly (0xc000007b). Click OK to close the application". Please, help me to build TigerVNC for Windows." error message. Please help to compile a TigerVNC Viewer for Windows 10.

Антон Яблоновский

Dec 28, 2022, 10:44:25 AM12/28/22
to TigerVNC User Discussion/Support
I also tried to build TigerVNC via Dockerfiles from But failed the same :(

вторник, 27 декабря 2022 г. в 21:52:49 UTC+2, Антон Яблоновский:

Pierre Ossman

Dec 28, 2022, 11:08:14 AM12/28/22
to Антон Яблоновский, TigerVNC User Discussion/Support
That error indicates something more fundamentally wrong with the
binaries, from what I can find about it.

Is your build system matching your environment? E.g. building 64-bit
binaries for a 32-bit system?

I don't understand where brotli and zstd are coming from. Have you
modified TigerVNC or any of the components?

Do our builds work on this system?

Pierre Ossman Software Development
Cendio AB
Teknikringen 8
583 30 Linköping
Phone: +46-13-214600

A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?

Антон Яблоновский

Dec 28, 2022, 2:14:22 PM12/28/22
to TigerVNC User Discussion/Support
Size of the vncviewer and size of installation exe are smaller than your exe files. I don`t change anything, just follow the instructions (2 Dockerfiles and I get these errors regardless of the bitness of the system. Can you give me correct instructions or correct Dockerfile for building TigerVNC for Windows?

среда, 28 декабря 2022 г. в 18:08:14 UTC+2,

Anton Yablonovsky

Jan 4, 2023, 5:56:25 PMJan 4
to TigerVNC User Discussion/Support
Hello. What information do you need from me to help solve the problem? All dll files are in C:\msys64\mingw64\bin. I can`t understand, why this doesn`t work for me.

среда, 28 декабря 2022 г. в 21:14:22 UTC+2,

Anton Yablonovsky

Jan 7, 2023, 6:54:50 PMJan 7
to TigerVNC User Discussion/Support
Hi. I fixed the dll errors. Just add the required dll path to tigervnc\build\release\tigervnc.iss file before "mingw32-make.exe installer". For example, "Source: "C:/msys64/mingw64/bin/libfltk.dll"; DestDir: "{app}"; Flags: ignoreversion restartreplace;".

четверг, 5 января 2023 г. в 00:56:25 UTC+2, Anton Yablonovsky:
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