Ctrl+K or Insert Link hangs editor window
Thunderbird 145.0 (64 bit) with Windows 11 Pro.
In the message editor window, new message or reply or forward, when I want to insert a hyperlink using either CTRL+K or via the Insert menu, a popup window to insert the link into does not appear, and the write windows hangs. Becomes unresponsive. The only way to close it is by ending the task in Task Manager. I notice a crash helper in the Thunderbird group in Task Manager. Everything is on 0% CPU though.
What went on before this is that I modified the property editor.link_color in the config editor (because links are not readable in dark mode, but that's a different story). I then did reset it to default and restarted TB, then pc and TB, that did not help.
In troubleshooting mode, there is no problem. In normal mode, I deleted the only plugin I had (a theme) I cleared cache, refreshed Thunderbird, to no avail. It's not set up to generate crash reports yet.
I have TB on another machine (W10 Pro), I can copy my profile folder over quite easily.
Any suggestions please?
(I'm on Central European time, it may be a day or so before I respond to replies from the US.)
Alla svar (1)
An additional remark: it looks like the popup window that asks for the hyperlink when pressing CTRL+K or Insert Link, is off-screen. I'm just using a laptop screen, no additional monitor.
That window is not visible with ALT+TAB, and there is no separate process for it in Task Manager.
All the other pop-ups from the Insert menu are on-screen.