Isolate optional desktop shortcut failures

README.md

@@ -32,6 +32,7 @@ WinForms tool for controlled Microsoft BizTalk Server 2020 platform operations d
 - No compile-time dependency on BizTalk ExplorerOM assemblies
 - Transactional Windows installer/updater with SHA-256 payload validation and rollback
 - Bounded activation retries plus a verified copy fallback for first installs and atomically backed-up updates when Windows/EDR blocks only the staging rename
+- Opt-in all-users desktop shortcut whose ACL, WSH, validation or rollback failures remain visible but cannot roll back the core installation
 - Installer diagnostics with stable phase codes, complete child-process output, exception chains and a ProgramData-to-Temp log fallback
 - WMI-free runtime self-test plus automated regression test executable
 
@@ -116,6 +117,7 @@ Targeted German inline comments explain non-obvious operational decisions such a
 - [Installer stability analysis](docs/Installer-Stabilitaetsanalyse-2026-08-11.md)
 - [ACC activation incident analysis](docs/ACC-Installer-Aktivierungsfehler-2026-08-11.md)
 - [PROD activation incident analysis and 2.2.3 fix](docs/PROD-Installer-Aktivierungsfehler-2026-08-24.md)
+- [Optional all-users desktop shortcut stability](docs/Installer-Optionale-Desktopverknuepfung-2026-08-24.md)
 - [ACC runtime shutdown incident and recovery fix](docs/ACC-Runtime-Shutdown-Exception-2026-08-19.md)
 - [AI maintainer handoff](AI-README.md)
 - [References](REFERENCES.md)