I can see the screenshot you attached — thanks. That looks like favicons (tab icons) are rendering badly in Edge. A few quick checks and fixes usually get this sorted. (I noticed your original post here on the forum. order:
1) Quick checks
- Open an InPrivate window (Ctrl+Shift+N). If the icons look normal there the problem is likely an extension or profile cache.
- Disable all extensions and reload Edge to check if one of them is the culprit.
2) Disable hardware acceleration (fast test for rendering glitches)
- Go to edge://settings/system and turn off “Use hardware acceleration when available”, then restart Edge.
3) Clear browsing cache
- Settings > Privacy, search and services > “Choose what to clear” > Cached images and files. Restart Edge.
4) Delete Edge’s favicon cache (safe; Edge will rebuild it)
- Close Edge completely (check Task Manager).
- Open File Explorer and navigate to:
%localappdata%\Microsoft\Edge\User Data\Default
- Find files named Favicons and Favicons-journal (and optionally Web Data / Top Sites). Move them to a backup folder (or rename to Favicons.old).
- Restart Edge — it will rebuild the favicon database.
5) Test with a fresh profile
- Create a new Edge profile (Settings > Profiles > Add profile) and open the same sites — if favicons are fine, your profile’s cache is at fault.
6) Run Edge without GPU (if disabling acceleration helped)
- Close Edge. Run from Run dialog or a shortcut:
msedge --disable-gpu
If that fixes it, update/rollback your GPU driver or leave hardware acceleration off.
7) Reset or repair Edge
- Settings > Reset settings > Restore settings to their default values. Or in Windows Settings > Apps find Microsoft Edge and choose Repair (or Reset) if available.
8) Update Edge, Windows and GPU drivers
- Make sure Edge and Windows are up to date, and get the latest GPU driver from your vendor (Intel/NVIDIA/AMD).
9) Last resort: rebuild profile or reinstall Edge
- If nothing helps, export bookmarks, remove/rename the entire %localappdata%\Microsoft\Edge\User Data\Default folder (back it up first) and let Edge create a fresh profile. Reinstall Edge only if necessary.
If you want, tell me:
- Edge version (edge://settings/help) and Windows version,
- whether the same issue appears in Chrome/Firefox,
- whether the problem is only with certain sites or all tabs.
If you want the step-by-step commands for deleting the favicon files or rebuilding the Windows icon cache (if you also see broken system icons), I can post exact commands — the forum archives include the usual icon-cache rebuild steps if needed.