Read this article to know more about why Copy/Paste may not work in SCARM when it is running together with Firefox 22 browser. [>>>] Copy/Paste Issues When SCARM Runs Together With Firefox
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Read this article to know more about why Copy/Paste may not work in SCARM when it is running together with Firefox 22 browser. [>>>] 
Read this article to cope with old SCARM versions disability of making copy/paste between two layouts in two running instances of the program. Fixed in SCARM 0.9.18