Dynu Systems reserves the right at any time and at its sole discretion to reclassify a Paid Service as a Free Service or a Free Service as a Paid Service. Upon such reclassification of a Paid Service as a Free Service no refunds will be issued to You. Upon reclassification of a Free Service as a Paid Service, You must pay the associated fee to use the reclassified service.<br> <br> d. Modifications to Services. Dynu Systems reserves the right to modify or discontinue Free or Paid Services with or without notice to You. Dynu Systems shall not be liable to You or any third party should Dynu Systems exercise its right to modify or discontinue the Service.<br> <br> 4. Modifications to this Agreement.?You agree that Dynu Systems may modify this Agreement and the Additional Policies, at any time by posting a revised version of the document at issue on Dynu Systems’s Websites.<br> <br> a. Revisions Effective upon Posting. All revisions to this Agreement and the Additional Policies shall be effective immediately upon posting of such revisions to Dynu Systems’s Websites. It is Your responsibility to check Dynu Systems’s Website pages regularly for changes to this Agreement or the Additional Policies, as applicable.