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Error codeUbisoft ConnectWindows PC
Ubisoft Connect: "Unable to start download"
Install or update won't begin
Ubisoft Connect won't start downloading a game. Ubisoft points to your connection, maintenance, too little disk space, missing permissions or an old app version.
How to fix "Unable to start download"
Check your internet connection and Ubisoft Help for maintenance.
Make sure the drive has enough free space for the game.
Run Ubisoft Connect as administrator.
Reinstall the latest Ubisoft Connect and try the download again.
If it still fails, contact Ubisoft with your DxDiag and MSInfo reports.
From Ubisoft Connect's help pages: ubisoft.com, in our words. Checked on 11 November 2026. If the steps do not help, Ubisoft Connect's own support is the next stop.
More Ubisoft Connect errors and common problems
- Connection lostApp can't reach Ubisoft's online services
- Can't log inLogin fails or keeps asking again
- Game missing from libraryOwned game does not appear in Games
- Cloud save problemsProgress missing after a cloud sync
- 2-Step verification codeCode never arrives or is rejected
- A Ubisoft service is not availableUbisoft Connect can't reach Ubisoft Services
- A Ubisoft Server is unavailableOutdated Ubisoft Connect version
- Error code 17006Connection problem during download or update
- Unable to start gameGame won't launch from Ubisoft Connect
All Ubisoft Connect errors and common problemsLive Ubisoft Connect status