Taskbar menu problem

Hello, so i using windows 10 about 6 month and i decided to reinstall windows 8.1. After downloading custom theme with white font my task bar menu looks like on picture .I know its related to update kb3072318 but i dont have this specific update on my pc. I find its related to upgrade to free windows 10 but this is no longer avaible. So is there any other method to fix this problem or its cannot be repaired. Its not that big deal for me but i want my task bar normal.

Hi,

I have had this problem before when trying different visual styles. The style has to be for Windows 8.1 Update 1. Try a different visual style.