TurboTax 2011 gives a PRD.INI or PERWIN.INI error upon launch
Updated: 2/21/2012
Article ID: SLN54805
When installing or launching TurboTax 2011 an error related to prd.ini or perwin.ini is mentioned. Alternatively, error codes 18415988722 or 17728905504 may also be mentioned.
Solutions
PRD.INI or PERWIN.INI errors
Temporarily close any open programs that may be running, including virus-protection and other security software, then try installing again. You can also try installing in Selective Startup mode.
18415988722 or 17728905504 errors
These errors were resolved in an update released on January 4, 2012. If you were receiving one of these errors, uninstall TurboTax, and then reinstall the program.
Should the same error persist, forcefully uninstall TurboTax, then reinstall.