Where winget actually breaks.
One page per failure mode Windows operators actually hit: what the symptom looks like, what is genuinely causing it, and what Attestree does about it. Each page ends by saying where our answer stops — including the two where it is honestly “not much”.
Per-user apps install as SYSTEM and vanish
The install reports success. The user does not have the application. Nothing in your reporting says anything is wrong.
ReadInstaller hash mismatch on Chrome and friends
winget aborts with a hash mismatch on a package that installed fine last week.
Readwinget upgrade shows an Unknown version
winget list reports the installed version as Unknown, and upgrade logic either does nothing useful or tries to reinstall the application every run.
ReadVendor CDN blocked by the firewall
The manifest resolves, then the install dies downloading the installer — because egress rules do not allow the vendor download host.
Readwinget install fails behind a proxy
Everything works on an unrestricted network and fails the moment traffic has to go through the corporate proxy.
ReadAn Intune detection rule for a winget app
Intune needs to be told whether an app is installed, and the detection rule is a registry guess that goes stale every release.
ReadRollout operations on real endpoints
An upgrade is blocked by a running app, a browser updates itself out from under the catalog, winget is broken on a machine, or you need the platform to stop at two in the morning.
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