Failed To Locate Reason Engine, Exiting
If you’re having problems accessing Reason 3.0.5 on an Intel Mac after installation and you’re getting the message “failed to locate reason engine, exiting”, every time you try to launch, the likely reason is that your ReWire folder has been set to read only.
You’ll need to change the permissions on the folder to “Read & Write” in order to launch Reason in ReWire mode.
To do this…
- Open a Finder window.
- Browse your hard drive, going to Library > Application Support > Propellerhead Software.
- Control-Click on the ReWire folder and select “Get Info”.
- Scroll to the end of the info window and extend the “Ownership & Permissions” (small triangle to the left).
- Change the permissions in “you can” to “Read & Write”.
If you can’t change permissions, or the box is greyed out, you’ll need to change the owner (or I did anyway). The default is set to ’system’, click the lock beside the Owner dropdown and select your username from the menu. You’ll see the permissions box is no longer greyed out. Click the lock to prevent further changes on ownership and set the permissions to “Read & Write”.
Go back to wherever you dragged your original Reason Adapted 3 folder to (I stuck mine in Applications) and launch Reason, problem free.
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YESSSS! Thank you! Big help
No worrys Danny, glad to be of help.
Hey Ken I’m having the same problem & I’ve done everything that you posted & I’m STILL getting the “Failed To Locate Reason Engine, Exiting” message. Do you have anymore suggestions?
@brockbeats Afraid not. The write permissions seemed to do the trick with me and since then I haven’t had any issue at all (or come across someone who had the problem and it wasn’t the write-protect issue!), sorry I can’t be of much else help in this case!
Thanks anyway Ken, I just have one more question. When I followed your instructions & clicked on “Get Info” (even though on my mac it says “More Info”) the Owner & Permissions screen comes up as you said it would. I selected my username & changed the Access to “Read & Write”. However, underneath that (still in the Ownership & Permissions drop down) there’s another selection that says Group that has “wheel” as a default. Under that I see Access that has “read only” as a default. Do you think I need to change any of these settings also?
@brockbeats If your user is part of a group, change the user permissions just in case - worst thing you can do is try! Can’t say that I noticed group permissions on my own at the time. Looking at it now, the group is greyed out and is the same as the admin name, again with read-write permissions.
Can’t hurt to try, just in case!
Thanks Ken I’m trying now.
Worked perfect! Thanks!!!
Thanks again Ken it finally worked. I had to trash the REX & ReWire folders then relaunch Reason.
this was pissing me off no end!
im so glad all the things you guys said helped me. i couldnt find out anywhere how to do it.
try everything. then brockbeats said he trashed rex and rewire folders and it worked, i tried and now its working fine on my mac book!
LEGAND!
cheers
Thank you sir! you have cut through the BS and given a clear and concise solution to a problem that has plagued me for days! I have scoured the propellerheads site and I could not find this information anywhere.
Someone should really tell them about this issue.
A million thank yous and I hope have a wonderful day!
@halfunction
You’re most welcome.