Just upgraded to 4.0 and now "unhandled error" in both editor and scanner

[Crazy Legs]

I had 3.6 with no issues at all with several cars licensed etc. I just received a tune that was done in 4.0 so to see it and upload it I updated to 4.0. I can view the new file along with my older 3.6 files but now it won't let me upload any of them to vehicles..... cuz as soon as i hit the "write" button it pops up with an "Unhandled exception error" and doesn't let me upload the file.....I also get the same error now when I look under my License info and click the big blue "I" and it says I have no cars licensed....
I hope someone can help asap.

[Bill@HPTuners]

Make sure to update to net framework 4.6.1 or newer.

We had a check in 3.7 but it didn't get carried over accidentally. We'll have the warning posted in the software in a few weeks.

[Crazy Legs]

dumb question, how do i upgrade to 4.6.1? i just checked and i've got 4.6.0 - I just went to main page and downloaded the latest again and it installed 4.6.0

[Bill@HPTuners]

https://www.google.com/search?q=net+...firefox-b-1-ab

[Crazy Legs]

Bill, outstanding, it seems to have fixed my issue!!! very impressed with the advice and direction, super appreciate it - Eric

[PitchblackC3]

So all the 4.6.1 installers I've seen are not for XP. Does this mean we are SOL for using XP machines?

[Bill@HPTuners]

correct, XP has reached its EOL with us and is no longer supported.