Try this (from a prior post)...
From: Robert Wilson
I found a fix for the upgrade nag using Quicken 2013 Premier. Find
app/roaming folder on your machine. On my Windows 10 machine, the
c:\Users\Username\Appdata\Roaming. From this Roaming folder, go to
\intuit\quicken\config folder. You should see a file named QUSER.INI.
click on it to open it. To make sure that quicken is using this
file, notice the number after the ExecNum= (in my file, it's the 2nd
Exit out of the QUSER.INI file. Restart Quicken. Quit Quicken. Open
QUSER.INI file. the number after ExecNum= should have increased by 1.
is the case, change the number to 0 and save the file. Exit QUSER.INI
right click the file. Select Properties. Under the attributes
select read only. This prevents Quicken from changing the number
ExecNum=. I found that if the number is less than 4, the nag screen
appear. Note: Before doing this, make sure that the most recent
is the way you want it. Quicken won't be able to change this list.
not a problem for me, since I use the same file every time.