This error may occur if either the SYSTEM group or the Everyone group does not have Full Control privileges for the directory or file name mentioned in the error. For more information
a. For Error 1303 Microsoft knowledgebase article 228658
b. For Error 1321 Microsoft knowledgebase article 232143
Restart your computer and try to install Quicken again. If it fails with the same error, try the steps.
There are two possible solutions for changing permission settings for the System and Everyone group.
If you continue to encounter an error after completing the above steps, please contact 1-800-656-6115