So I uninstalled, rebooted, then let the game download last night. Woke-up to a MD5 Hash Mismatch window, telling me "The downloaded file is corrupt. The MD5 hash of the local file doesn't match that of the file on the server. Would you like to retry?" Clicked "Retry", but same thing happened.
Trying again, thinking my hard drive might just be getting old. Did a disk scan, came up clean. Disc De-fragment happens every week, but I did another just in case.
Thoughts?
EDIT: Fourth time I had to download in order to install with same MD5 trouble. Looking into buying a new computer today.
Another EDIT: After Six failed attempts, I went online for a new computer. Then got bored and did the following that ~somehow worked~...
Installed the MechWarriorOnlineInstaller.exe, did default settings for install, then opened C:\Program Files (x86)\Piranha Games\MechWarrior Online\Bin32\MWORepairTool.exe, let that run TWICE without opening the actual MechWarriorOnline.exe program, and VOILA!, open the program with absolutely no problems. Put this solution up for people who have the MD5 error.
Edited by LK4D4, 23 July 2016 - 10:28 PM.