Hey T_three,

It seems you've removed all of your columns, except the ID, which led to the problem. This is a known issue in the product. In order to resolve it, you'll have to delete the following folder:
%APPDATA%\Fiddler Everywhere

After that restart the application and you'll have to sign in again. The columns will be reverted to their original state and you'll be able to set multiple filters.

Let us know if this helps.

Regards,
Rosen Vladimirov

Thank you. It's a good solution to my problem