Seems some people have been having editing and pasting issues if they are using the EDGE browser. I'm trying to figure it out properly, but for now, you will need to switch your post editor away from WYSIWYG.

To do this....

Click SETTINGS ( in top right bar next to where you log in)

Click GENERAL SETTINGS ( left hand side bar)

Scroll down to

Miscellaneous Options

and change........

Message Editor Interface:

Enhanced Interface - Full WYSIWYG Editing
Basic Editor - A simple text box
Standard Editor - Extra formatting controls

When posting messages to the forums or other members, there are three interface types available to you. The simplest of these is a simple text box, while the last is a fully-fledged WYSIWYG editor, which allows you to format your text as you want it and see the results immediately.

Depending upon the capabilities of your web browser, you may not be able to use all of these options. If you experience problems when posting messages, try switching to a different interface type.
from WYSIWYG to Standard Editor.