@Zombie1
What is your Roku model number (Settings/System/About) and router model number.
Try changing your wifi password in the router settings (avoid special characters; just use numbers and letters) and then restart both touter and Roku device.
Roku Community Streaming Expert
Just another Roku user... I am not a Roku employee.
Insignia RokuTV, Ultra 4660, Premiere+ 3921, Express 4k+ 3941, Streambar 9102