Firefox and Thunderbird are suddenly not accept keyboard input

Keyboard shortcuts, simply enter in any field of work continues to fail so I can still use ctrl + C / CTRL + V to somewhat use firefox and Thunderbird, but all fields are completely insensitive to the entries to the keyboard

The problem occurred suddenly while I was browsing.

I have the same problem on all programs based on the Gecko engine, and I confirmed their so far in Firefox, waterfox, instantbird, thunderbird and fossamail. However chrome / windows / basically everythign n

To remedy this, I have tried the following:
Restart firefox
Restart of firefox in savemode
Reset
Change the type of keyboard in windows
Using another keyboard
Once again reboot
Press F7 to check for insert mode that has been disabled
by pressing the Windows key + F9 (whatever this is)

I am running windows 8.1(x64)

Resolved, change the type of keyboard again and restarting fixed. I tried to use the on-screen keyboard on which worked so I again changed the layout of the keyboard and rebooted and now it works fine. I still wonder what caused a large Gecko problem like that?

Tags: Firefox

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