System Manufacturer/Model Number CreepinJesus Mk. IV OS Windows 7 Ultimate x64 CPU Intel Core i5-2500 3.3GHz Motherboard Asus P8H67-M PRO Memory 8GB DDR3 1333MHz Graphics Card On-board Sound Card On-board Monitor(s) Displays Samsung SyncMaster BX2250 22.5" LED-backlit LCD Screen Resolution 1920 * 1080
Keyboard Logitech K360 Mouse Generic Logitech from the bargain-bin by the checkout PSU Thermaltake Toughpower Grand TPG-650M Case Lian-Li PC-A04 Cooling Standard fans. They blow. Hard Drives OCZ Agility 3 120GB, SATA-III Internet Speed Over 9000! ...Mbps. Other Info Chocolate digestives are my favourite biscuit.
Use ResHacker 3.5.2 as CreepinJesus said. You then need to find the Dialog or String values you want to edit.
By editing Dialog #1003 (in System32.dll.mui) I changed my Run window from this:-