How do I resolve errors when installing the offline user manual with the LabVIEW 2026 Q1 Linux ISO installer?

Issue Details

I see errors similar to the ones shown below when installing the LabVIEW 2026 Q1 offline manual on Ubuntu 22.04, and Red Hat 9.6, using the ISO (offline) installer:

Setting up ni-labview-command-line-interface (26.1.0.158-0+018) ...
Setting up ni-labview-2026-example-finder-lib (26.1.0.214-0+214) ...
Setting up ni-help-preferences (26.0.4.7-0+047) ...
Setting up ni-example-finder (26.1.0.214-0+214) ...
Setting up ni-labview-2026-example-finder (26.1.0.214-0+214) ...
Setting up ni-labview-offline-manual (26.1.0.214-0+214) ...

[5543:1223/042823.677461:ERROR:bus.cc(407)]
Failed to connect to the bus: Did not receive a reply.
Possible causes include: the remote application did not send a reply,
the message bus security policy blocked the reply,
the reply timeout expired, or the network connection was broken.

[5543:1223/042823.677881:ERROR:bus.cc(407)]
Failed to connect to the bus: Did not receive a reply.
Possible causes include: the remote application did not send a reply,
the message bus security policy blocked the reply,
the reply timeout expired, or the network connection was broken.

[5543:1223/042823.678182:ERROR:bus.cc(407)]
Failed to connect to the bus: Did not receive a reply.
Possible causes include: the remote application did not send a reply,
the message bus security policy blocked the reply,
the reply timeout expired, or the network connection was broken.

[Ubuntu Software 3.076845:ERROR:bus.cc(407)]
Failed to connect to the bus: Did not receive a reply.
Possible causes include: the remote application did not send a reply,
the message bus security policy blocked the reply,
the reply timeout expired, or the network connection was broken.

Authorization required, but no authorization protocol specified
Authorization required, but no authorization protocol specified
Authorization required, but no authorization protocol specified
Authorization required, but no authorization protocol specified

[15584:1223/042845.846318:ERROR:gl_initializer_impl.cc(44)]
GLDisplay.cpp:1086 (initialize):
ANGLE Display::initialize error 12289:
Could not open the default X display.

[15584:1223/042845.846381:ERROR:gl_initializer_impl.cc(155)]
EGL Driver message (Critical):
glcore: Not detecting any valid OpenGL drivers.

[15584:1223/042845.846396:ERROR:gl_initializer_impl.cc(780)]
gInitializeOpenGL failed — supported (0x005B)

[15584:1223/042845.846408:ERROR:gl_display.cc(44)]
Display.cpp:1086 (initialize):
ANGLE Display::initialize error 12289:
Could not open the default X display.

[15584:1223/042845.846421:ERROR:gl_initializer_impl.cc(155)]
EGL Driver message (Critical):
EGL Driver message (Critical).

[15584:1223/042845.846428:ERROR:gl_initializer_impl.cc(780)]
gInitializeOpenGL failed — supported (0x0056)

[15584:1223/042845.846436:ERROR:gl_display.cc(820)]
GlDisplayEGL::Initialize failed:
Initialization of all EGL displays failed.

[15584:1223/042845.846481:ERROR:gl_initializer_impl.cc(44)]
GLDisplay.cpp:1086 (initialize):
ANGLE Display::initialize error 12289:
Could not open the default X display.

[15584:1223/042845.846489:ERROR:gl_initializer_impl.cc(155)]
EGL Driver message (Critical):
Not detecting any valid OpenGL drivers.

[15584:1223/042845.846495:ERROR:gl_initializer_impl.cc(780)]
glInitializeOpenGL failed — supported (0x0056)

and as shown in the screenshots below:

Ubuntu 22.04:

Red Hat 9.6:

Solution

• The Offline Help Viewer and Offline Manual install correctly and the errors can be ignored. 
• This is a known issue with LabVIEW 2026 Q1 on Ubuntu 22.04 and Red Hat 9.6.
• The errors do not occur with Ubuntu 24.04.