いちおう、翻訳前の原文は以下のようになっています。
A problem occured while laying out the loaded document in the editor.
This is caused by an issue in the underlying Qt framework and can cause TeXworks to crash under certain circumstances.
The symptoms of this problem are hidden or overlapping lines.
To work around this, please try one of the following:
-) Turn syntax highlighting off and on
-) Turn line numbers off and on
-) Resize the window
We are sorry for the inconvenience.