Ensure that the patched file comes from a trusted source. This usually means obtaining patches directly from the software developer or through official channels.
There is a certain in patching a diagnostic file. Diagnostics are meant to tell you what is wrong; patching them is the user telling the computer that nothing is wrong, even when the software insists otherwise. It is the software equivalent of hot-wiring a car—not necessarily to steal it, but to drive it past the boundaries set by the dealership. recdiagdll patched