I found this online and it fixed mine completely been sitting here testing it out and havnt had a problem
Goto all programs
Divx or divx plus folder;
right click divx player; left click properties
;compatibility
check "Run this program in compatibility mode for"
then drop down and select Windows vista service pack 2;
Then check disable visual themes;
Check Run this program as administrator;
Apply then Ok close all windows and it should be running without having to reboot.