Hi lisajs
The IP has ceased to act, and as part of his final report would have advised your creditors that you had successfully completed your IVAs and that the balance of their unpaid debts had been written off. Presumably you received a copy of this report, along with your Certificate of Due Completion.
If this has been dealt with correctly, then it is not the IP's fault that creditors have not updated their systems. To get your credit files updated, you will need to send copies of the Certificates of Due Completion to the reference agencies.
Regards, Melanie Giles, Insolvency Practitioner for over 20 years.
For further details contact me at
http://www.melaniegiles.com and view my IVA blog at:
http://melaniegiles.blogs.iva.co.uk