Cannot get PTGui to launch in Ubuntu 26.04

[Malcolm King]

I downloaded the Linux app from the official website and followed the website instructions for installing and activating it via the Ubuntu terminal. The terminal informed me that "PTGui was installed successfully!" and the PTGui and PTGui Viewer icons appeared on the Desktop. However, when I click them the app fails to launch.

[PTGui Support]

Hi Malcolm,

Probably a needed dependency is missing. Ubuntu will log an error to the
journal if this happens, it's not displayed on screen.

Open a terminal window and type
journalctl --follow --user
This will log errors to the terminal window.

Then launch PTGui and check for any errors. You can probably deduct the
package name from the error message; if not please post here.

And please let me know anyway, so I can update the linux instructions.

Kind regards,

Joost Nieuwenhuijse
www.ptgui.com

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[Malcolm King]

Thanks Joost. I have attached the error messages from the terminal window when I attempted to launch first PTGui and then PTGui Viewer from the desktop icons.

Cheers, Malcolm

[PTGui Support]

Hi Malcolm,

I see you are opening the PTGui Viewer, not PTGui.

The error says GLU is missing. You can install it using:
sudo apt install libglu1-mesa

There might be more missing libraries. If PTGui still doesn't launch
then you can repeat the procedure.

Kind regards,

Joost Nieuwenhuijse
www.ptgui.com

On 6/29/26 06:06, Malcolm King wrote:
> Thanks Joost. I have attached the error messages from the terminal
> window when I attempted to launch first PTGui and then PTGui Viewer from
> the desktop icons.
> Cheers, Malcolm
>
> On Monday, June 29, 2026 at 4:16:08 AM UTC+10 PTGui Support wrote:
>
> Hi Malcolm,
>
> Probably a needed dependency is missing. Ubuntu will log an error to
> the
> journal if this happens, it's not displayed on screen.
>
> Open a terminal window and type
> journalctl --follow --user
> This will log errors to the terminal window.
>
> Then launch PTGui and check for any errors. You can probably deduct the
> package name from the error message; if not please post here.
>
> And please let me know anyway, so I can update the linux instructions.
>
> Kind regards,
>
> Joost Nieuwenhuijse

> www.ptgui.com <http://www.ptgui.com>

>
> On 6/28/26 09:17, Malcolm King wrote:
> > I downloaded the Linux app from the official website and followed
> the
> > website instructions for installing and activating it via the Ubuntu
> > terminal. The terminal informed me that "PTGui was installed
> > successfully!" and the PTGui and PTGui Viewer icons appeared on the
> > Desktop. However, when I click them the app fails to launch.
> >
> > --
> > You received this message because you are subscribed to the Google
> > Groups "PTGui Support" group.
> > To unsubscribe from this group and stop receiving emails from it,
> send
> > an email to ptgui+un...@googlegroups.com
> > <mailto:ptgui+un...@googlegroups.com>.
> > To view this discussion visit https://groups.google.com/d/msgid/

> <https://groups.google.com/d/msgid/>
> > ptgui/6b0bf0b3-b1c5-48cc-aed0-4b13466cc30bn%40googlegroups.com
> <http://40googlegroups.com> <https://
> > groups.google.com/d/msgid/ptgui/6b0bf0b3-b1c5-48cc- <http://
> groups.google.com/d/msgid/ptgui/6b0bf0b3-b1c5-48cc->
> > aed0-4b13466cc30bn%40googlegroups.com?
> utm_medium=email&utm_source=footer <http://40googlegroups.com?
> utm_medium=email&utm_source=footer>>.

>
> --
> You received this message because you are subscribed to the Google
> Groups "PTGui Support" group.
> To unsubscribe from this group and stop receiving emails from it, send
> an email to ptgui+un...@googlegroups.com
> <mailto:ptgui+un...@googlegroups.com>.
> To view this discussion visit https://groups.google.com/d/msgid/ptgui/

> e5f11995-d5d5-4d1a-a060-083bd9a1b707n%40googlegroups.com <https://
> groups.google.com/d/msgid/ptgui/e5f11995-d5d5-4d1a-
> a060-083bd9a1b707n%40googlegroups.com?utm_medium=email&utm_source=footer>.

[Malcolm King]

That worked. Brilliant! Thanks Joost.

All the best.