Sorry Sabastian but nothing was mentioned in the previous posts about "performance settings." Anyway, here is the Performance settings from the database:

If that tells you anything.

Thank you Sabastian. Your last posting does not match a lot of the fields in my HostSettings table. I am using the Install Package version 4.9.4 of DNN. I would really like to know the table and field where I can restore the following Whitespace settings:

(?<=[^])\t{2,}|(?<=[>])\s{2,}(?=[<])|(?<=[>])\s{2,11}(?=[<])|(?=[\n])\s{2,}