Firefox搜索结果favicon显示异常问题求助

开发者阿泽

2026-4-20

Hey there, let's work through fixing those strange circle favicons in Firefox together. Since this popped up right after you cleared caches and installed Avast One, here are some practical troubleshooting steps:

Do a hard refresh of the search page: Sometimes a standard cache clear doesn't fully wipe outdated data. Press Ctrl+Shift+R (Windows/Linux) or Cmd+Shift+R (Mac) while on the search results page—this forces Firefox to pull fresh content including proper favicons, bypassing cached files.
Check Avast One's browser-related settings: Avast One has privacy or content-filtering features that might be altering how favicons display. Head into Avast One's settings, look for modules tied to browser protection or web content, and temporarily disable them. If the favicons go back to normal, you can adjust the settings instead of keeping it off entirely.
Reset Firefox's dedicated favicon cache: Firefox stores favicons in a separate database file. Here's how to reset it:
1. Open Firefox and type about:profiles in the address bar
2. Locate your active profile and click "Open Folder" next to it
3. Close Firefox completely
4. Delete the files named favicons.sqlite, favicons.sqlite-shm, and favicons.sqlite-wal from the profile folder
5. Restart Firefox—it will rebuild the favicon cache from scratch
Rule out Malwarebytes Browser Guard interference: Even though you installed it after the issue started, it's worth checking. Temporarily disable the extension (go to Firefox's Add-ons and Themes > Extensions, find it and toggle it off) to confirm it's not contributing to the problem.
Verify Firefox's favicon configuration: Sometimes security tools can tweak Firefox's settings. Type about:config in the address bar, accept the warning, then search for browser.chrome.favicons—ensure it's set to true. If not, double-click the entry to toggle the value back.