If corrupted prices are the problem and you are unable, or unwilling, to restore a backup: also pay particular attention to the option in the above article to remove all the price history for the security in question. And if you are concerned about recovering price history (if you think the Quicken price history download will not do the job), see: https://community.quicken.com/discussion/7158846/faq-i-have-encountered-price-history-disappeared-issue
Comments
https://www.quicken.com/support/downloaded-security-quotes-are-not-updating-current-price
[This problem is most likely to occur in Q2011 and earlier.]
Pay particular attention to the possibility of corrupted Quicken prices.
If corrupted prices are the problem and you are unable, or unwilling, to restore a backup: also pay particular attention to the option in the above article to remove all the price history for the security in question.
And if you are concerned about recovering price history (if you think the Quicken price history download will not do the job), see:
https://community.quicken.com/discussion/7158846/faq-i-have-encountered-price-history-disappeared-issue