If the error prevents you from launching any game, simply close the launcher after logging in via the website. Ubisoft Connect acts as a bridge; the game itself (i.e., Rainbow Six Siege or Assassin’s Creed ) rarely requires the launcher to re-parse the email once the session token is active.
# Direct UTF-8 in JSON payload curl -X POST https://api.ubisoft.com/v1/email/verify \ -H "Content-Type: application/json; charset=utf-8" \ -d '"email":"müllerchen@müller.de"' \ --verbose 2>&1 | grep -i "content-type\|charset" uplay user get email utf 8
If verification doesn't work, you likely need to replace the uplay_r1.dll files manually. You can often find the correct files by: If the error prevents you from launching any
sed -n '1,200p' data.txt