CreamAPI is a popular "wrapper" used to bypass DLC verification on Steam. Because of how it interacts with game files, it is frequently flagged as a "false positive" by security software.
Download the ZIP file containing the DLLs and the configuration (.ini) file. Step 3: Manual Installation and Replacement
List your DLC IDs here in the format AppID = DLC Name . Step 5: Add Exclusions
Look for the existing steam_api.dll or steam_api64.dll .
To prevent the "could not download" or "file missing" error from happening again: Go back to > Exclusions . Select Add or remove exclusions .
Important! Do not delete the original file. Rename it to something like steam_api64_o.dll (the "_o" stands for original).
Before downloading anything manually, ensure your antivirus isn't immediately deleting the files you’re trying to save. Go to > Virus & threat protection . Select Manage settings .
The "add CreamAPI DLLs manually" error is simply a sign that the automation has reached its limit. By taking the manual route, you gain more control over the version of the API you are using and ensure that your security software doesn't interfere with the process.
Toggle to Off (you can turn it back on once the setup is complete). Step 2: Download CreamAPI DLLs Manually