I had MSIE11 install, but on a lark I double-clicked the IE11-Windows6.1-x64-en-us.exe and it said IE11-Windows6.1-x64-en-us wasn't fully installed (broken??), I removed it by the command-line string in prior message.
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FIXED:
[Restored MSIE11 x64 from backup into both Program Files(x86) and Program Files, Ran a Wise(tm) Registry Cleaner, Optimize Registry, Rebooted. Turned Off Bitdefender Free AV, Ran Windows Update and MSIE11 x64 showed up, it worked.]
Now, my email links don't work, I have no way to restore IE11 or 10. [Fixed: Make MSIE11 Default Browser then switch back...links OK].
Turn Windows Feature on or off: OK
BTW: MSIE needed to view Event Manager Panel!