Newegg offers CyberLink PowerDVD 13 Ultra for Windows, model no. DVD-0D00-IWU0-00, for $79.95. Coupon code "PDVD1312" cuts it to $49.95. With free shipping, that's the lowest total price we could find for this multimedia playback software by $28, outside of the mention below. Deal ends December 6.
Prefer the download version? Amazon has it for $58.99.
Amazon offers Prime members the Kaspersky Lab Anti-Virus 2014 1-User for Windows, model no. KAV1401121USZZ, for $4.99 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $4.48.) Excluding rebate offers, that's the lowest total price we could find by $35.
Update: Note that this item is temporarily out of stock, however it can still be ordered at this price for delivery when available.