Hello kewlio,
Is it a problem on all the other computers or just one computer? Is it a problem only with the log scale or with all graphs?
It could be because of the display setting on that computer. But assuming that it is not a problem with the display, try creating an executable and running that executable from outside CVI on your own computer. The other option would be re-installing the CVI RTE on that computer again.
-Rajiv