is intimidating, but it is entirely solvable. In 80% of cases, it is caused by a simple workflow mistake during a "Replace Component" operation. In the remaining cases, clearing temporary files or using "Save Copy As" will recover your work.
A Critical File Integrity Failure with Reliable (But Manual) Recovery Options error 82 autodesk inventor
Error 82 is not a bug in the software; it is a defensive mechanism. When Inventor attempts to read a file's header or internal B-Rep (Boundary Representation) data and finds the binary sequence compromised, it stops the process to prevent a system crash or data loss in the session. is intimidating, but it is entirely solvable