I tried for the last 15min to get Zwift to launch, but it does not come up at all. I uninstalled. Restarted. Installed using the newest install file from the main page. Still doesn’t come up. There was a Windows 11 update overnight. I’m not sure if that’s the cause. I don’t see the Zwift launcher in my tray or anything. Please help. 
Are you using OneDrive (or a similar cloud service) to back up your Documents folder? That is a known cause of your symptoms. Other reasons are on this Support Hub page. Would you read through and see if any of those apply to you?
Also search Windows Explorer and search for “Zwift.” If you see multiple folders (Zwift, Zwift1, Zwift2, etc) that means you’ll want to delete everything Zwift related and start over. This is a more complete process than the usual Windows “uninstall” process. Instructions are here. Be mindful to move your custom workout files out of harm’s way before you start deleting everything else.
If these common solutions don’t help - please reach out to Community Support so we can do a deeper dive into your specific situation.
None of these applied to me, and even following the instructions for a clean install I’m still stuck. I have emailed support.
This happened to me as well this morning. Unable to launch after a major update.
However, after a couple of restarts and checking no further W11 updates, everything suddenly loaded fine as if the previous experience never happened. No idea why.
Oo that’s promising. I’ll check after work!
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Isn’t this more important than work? Where are your priorities 
??!!
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Haha. If I was still WFH, I’d be all over it. 
No dice. It just does not open at all.
Have you checked that it’s not being blocked by your av or firewall
I checked that windows security isn’t blocking the app from opening. I just double checked the firewall and it’s fully allowed to access the network.
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Was just a thought, as I know before now I’ve been asked if I want to allow it
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Zwift support had me try to launch using another network. Used my phone. Still nothing. Also, it seems the game is not fully installed as ziwftapp isn’t in the folder. 
Hi folks, if you check your Documents/Zwift/Logs folder, does you most recent Launcher_Log.txt have any error codes?
Turns out my Windows was just going bad and had to be reinstalled. All good now.
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