Just to make sure I understand, when you click to start a line and move your cursor, the line doesn't show up until you've clicked the second time to place the other end? If that's correct, I don't know of anything that would cause that except maybe a graphics card problem. See #13 at Frequently Asked Forum Questions for more information on checking that.
Hello there,Thank u so much ,yeah of course u was right,u could understand rightly what i meant.Exactly my problem was in this way about Graphic,thank u it was solved to restart system.
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