Name what failed
If the address will not open, compare another unrelated site to check the connection. If only an old title link fails, return to Flixer and search the production. If search is empty, reset filters before trying a shorter title fragment.
Images and pages can fail separately
A missing poster does not always prevent the text and title details from opening. Try the title link and compare its year and cast. If the entire page is affected in one browser only, compare another browser without immediately clearing stored choices.
After Watch now, an account restriction, missing offer or broken player belongs to the destination service. Check its supported device and the exact edition rather than changing a Flixer genre filter.
Before any storage reset, back up My List. Clearing website data may remove saves, country preferences and episode reminders. Start with the smallest relevant check and keep track of whether it actually changed the symptom.