Hello, I am Henry and I want to share my insight about this issue.
I see that you're encountering the 'Unable to pin Traffic widget' error. Based on your troubleshooting steps—checking multiple devices—it appears the issue is not specific to a single machine but is likely related to your account or a service-side problem. The "Try again later" error often indicates a connectivity or synchronization issue.
- If the issue occurs across multiple devices, signing out and back in can force a re-sync of your widget profile.
- Open the Widgets board (Windows Key + W).
- Click on your profile picture in the top-right corner.
- Select Sign out.
- Close the Widgets board completely.
- Re-open it and sign back in with your Microsoft account.
- Try adding the Traffic widget again.
- The Traffic widget often relies on location data from the Weather widget. If no location is set, the widget may fail to function properly.
- Open the Widgets board.
- Locate the Weather widget (if it's not there, add it first).
- Click the three dots (...) on the Weather widget and select Customize widget.
- Manually enter your location (e.g., your city).
- Click Save.
- Try adding the Traffic widget again.
- If previous steps don’t work, resetting the Windows Web Experience Pack can help resolve potential corruption.
- Open Settings > Apps > Installed apps.
- Search for Windows Web Experience Pack.
- Click the three dots (...) and select Advanced options.
- First, try clicking Repair. If that doesn’t resolve the issue, return to this screen and click Reset.
- Restart your PC and try adding the Traffic widget again.
Hope this helps you.