[The Compressed (zipped) Folder is invalid]

Problem here is the file has nothing in it to unzip It tells your the problem already. And it doesn't sounds like a Winzip problem.

This tool Zip Fix Toolbox [LINK REMOVED BY MODERATION] is recommended on these sites too

[LINK REMOVED BY MODERATION]

[LINK REMOVED BY MODERATION]

[Can't start Office 356 applications]

try to reinstall your operating system

[License issue--Can I use this software on all my computers?]

you can