An Error Code 14 - How To Fix Unarc.dll Returned

Here is the complete story on why it happens and how to fix it step-by-step.

Set a custom size (e.g., Initial: 100MB, Maximum: 3000MB or higher depending on your needs). Limit CPU Cores : Some users on how to fix unarc.dll returned an error code 14

Error code 14 explicitly mentions a "bad block." You need to test if the archive itself is broken. Here is the complete story on why it