Another exclusive PC bug causes the game to create a backup save with a .bad extension (e.g., SaveGame.bad). If the game crashes while saving, it renames the good save to .bad and fails to generate a new one. The game then sees only the .bad file and refuses to load it.
If verification fails or reinstall doesn't help, perform a clean reinstall:
Some community modders created a save manager tool that constantly backs up your save and restores it on launch. While no longer actively updated, you can replicate this manually: the amazing spider man pc save game error exclusive
For 32-bit vs 64-bit issues: if you have both executables, try the other one.
You might ask, "If the base game is broken, why does my friend’s Steam copy work fine?" Another exclusive PC bug causes the game to
The answer is the exclusive patch. Valve and Beenox released a silent update for the Steam version that:
The retail disc and "abandonware" versions did not receive this patch. Therefore, the exclusive save game error remains exclusive to non-Steam, unpatched PC copies. Some community modders created a save manager tool
This bypasses UAC and Folder Virtualization entirely.
AmazingSpiderMan.exe (not the launcher).Important: Always launch the game from the .exe or Steam. Do not use a desktop shortcut that lacks admin privileges.
Players would report a seemingly standard sequence:
Manual saves? Non-functional. The game would claim to save, but the .sav file in the save directory remained at 0KB or simply never updated. On consoles, this was virtually unheard of. On PC, it was a systemic failure.