Generally the smaller than expected error can be attributed to security software interfering with the download. If you have any such software, try adding Impulse.exe as an exclusion within it.
If you had a support ticket open with us, you can reply to the last email you received from us with the current problem and it will open your ticket again. If you did not have a support ticket open, send us an email to support@stardock.com and we can work with you.