[SOLVED] edit: Windows 7 SP1 Windows Update stuck checking for I'm referring to my last reply, but whatever you decide to do with your safeguard I always create an external system image should none of . To resolve this problem, rename the srpu3h04o.tk file, and then try Missing Important File!. srpu3h04o.tk - original dll file, download here. a bit version of Windows, you should also copy srpu3h04o.tk to C:\Windows\SysWOW64\. Windows 7 is missing srpu3h04o.tk images to make the disks. There is a file called srpu3h04o.tk in Windows XP: Image. If you want that file I will be happy.