Most of that seems to be the missing icons bug. Get the latest update from gimp.org
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If you do not know how to handle a torrent use the http link.
There is also this bug
https://bugzilla.gnome.org/show_bug.cgi?id=736220Which deals with cursor lag.
I pulled the replacement files from versions (32/64 bit) of Gimp 2.8.10 in VM's and zipped them up for another forum.
http://www.mediafire.com/download/zs6hp ... 14_fix.zip 1.3 MB
Same other forum, Ofnuts reported a quick fix. Disable the canvas rulers. Worth a try. Do all this and you will be as up-to-date as windows ever is.