: Reconnecting a controller or detecting new input can sometimes trigger a "Double Sign-In" bug. If you see "Campaign 2(2)" on the loading bar instead of "1(1)", your save may be corrupted. Avoid clicking "Let's Go" on unexpected sign-in prompts. Mission Replay Saving
A: You are likely using a repack that stores saves in the game's installation folder. Check HaloInfinite\data\save . Some repackers modify the path to avoid writing to AppData.
If saves are missing post-update: open the new steam_emu.ini and change #AccountId= to your old numeric ID (extracted from the user_steam_id.txt in your backup).
If you can't find it, look for a file named steam_emu.ini in the game's installation folder; it often lists the "AccountId," which helps you find the right subfolder in Public Documents . How to Install a 100% Save Game