Cannot Decompress Package

Installation
#1

I have downloaded (and re-downloaded) the free versions for v4.0.11, v4.1.9 beta and v3.8.12. When attempting to import the package, all of them give me the same error:
Failed to import package with error: Couldn’t decompress package

This occurs in both new and existing projects based off of my root drive (should not be a filepath issue with naming/length). Any help with being able to import the package is appreciated.

NOTE: I am using Unity 2017.3, I have not tried it on an older version yet but will attempt to do so.

#2

Huh. Odd.
Are you decompressing the zip file that the UnityPackage is in first?

#3

Yes. I’ve tried taking it out of the folder it was extracted to, tried renaming the package file as well as the folder it was extracted to, tried re-downloading the zip files and different versions of the package.

The only post on the forums I could find is this one - Can't Import Package Into Unity 5.3.2.

I’ve tried google to find others that encountered similar problems but have had no luck in finding a solution. I plan to try other versions as well as re-installing my current Unity version but I haven’t gotten a spare moment to wait around for that yet.

#4

Ok. I double checked and I can at least decompress the package using Unity 5.2.2.

#5

Hey, thanks for checking.

I’ve been super busy so this was backlogged but I’m embarrassed to say that I had forgotten about my antivirus silently blocking things (usually it’s the first thing I check).
Turns out Bitdefender has been blocking the attempt to decompress in Unity, sorry for wasting your time.

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