Hi all, on the control panel page these errors appear at the top and bottom of the page

Warning: exec(): Unable to fork [convert -version] in C:\Domains\forevertwisted.co.uk\wwwroot\administrator\components\com_comprofiler\imgToolbox.class.php on line 625

Warning: exec(): Unable to fork [jpegtopnm -version 2>&1] in C:\Domains\forevertwisted.co.uk\wwwroot\administrator\components\com_comprofiler\imgToolbox.class.php on line 633