Good deal. I appreciate everyone's help

Thanks Mike.....Only problem with reverting back to this older version is that it won't let me view all the PID's in the 08 PCM cars I'm doing. That's the only reason I updated. LOL

Is there any way I can run two versions of Dataviewer on my system?

I've tried what you mentioned above at least a dozen times.

Like I said, I can open up ALL the other logs I have from other customers, except from this guy.

I've restarted my computer several times, re installed Dataviewer, etc. Yet every time I try to open any of his logs it will load it about ...

Do I just directly attach the file to the bottom? I never have to use this forum. Let me know if this works.

I'm having a weird problem...tuning a car today and for some reason NONE of the customer's logs will pull up in Dataviewer. Even the logs I've had previously saved and viewed over the few days before hand.

I can still pull up any of my other previous customers tunes that I have saved to my ...