diff --git a/client/installer.nsis b/client/installer.nsis
index 5de5b5aa7..8b2b8ea39 100644
--- a/client/installer.nsis
+++ b/client/installer.nsis
@@ -200,6 +200,7 @@ Pop $0
 !macroend
 
 Function .onInit
+SetRegView 64
 StrCpy $INSTDIR "${INSTALL_DIR}"
 ReadRegStr $R0 HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\$(^NAME)" "UninstallString"
 ${If} $R0 != ""
@@ -214,6 +215,10 @@ ${If} $R0 != ""
 
 ${EndIf}
 FunctionEnd
+
+Function un.onInit
+SetRegView 64
+FunctionEnd
 ######################################################################
 Section -MainProgram
     ${INSTALL_TYPE}
@@ -248,10 +253,12 @@ WriteRegStr ${REG_ROOT} "${UI_REG_APP_PATH}" "" "$INSTDIR\${UI_APP_EXE}"
 ; Create autostart registry entry based on checkbox
 DetailPrint "Autostart enabled: $AutostartEnabled"
 ${If} $AutostartEnabled == "1"
-    WriteRegStr HKLM "${AUTOSTART_REG_KEY}" "${APP_NAME}" "$INSTDIR\${UI_APP_EXE}.exe"
+    WriteRegStr HKLM "${AUTOSTART_REG_KEY}" "${APP_NAME}" '"$INSTDIR\${UI_APP_EXE}.exe"'
     DetailPrint "Added autostart registry entry: $INSTDIR\${UI_APP_EXE}.exe"
 ${Else}
     DeleteRegValue HKLM "${AUTOSTART_REG_KEY}" "${APP_NAME}"
+    ; Legacy: pre-HKLM installs wrote to HKCU; clean that up too.
+    DeleteRegValue HKCU "${AUTOSTART_REG_KEY}" "${APP_NAME}"
     DetailPrint "Autostart not enabled by user"
 ${EndIf}
 
diff --git a/client/netbird.wxs b/client/netbird.wxs
index 08efa73e1..23aa250f4 100644
--- a/client/netbird.wxs
+++ b/client/netbird.wxs
@@ -49,14 +49,23 @@
 
 					<Environment Id="UpdatePath" Name="PATH" Value="[NetbirdInstallDir]" Part="last" Action="set" System="yes" />
 
-					<RegistryKey Root="HKCU" Key="Software\Classes\AppUserModelId\NetBird" ForceDeleteOnUninstall="yes" />
-
 				</Component>
 			</Directory>
 		</StandardDirectory>
 
+		<!-- Per-user component: HKCU keypath (auto GUID via "*"), separate from
+		     the per-machine NetbirdFiles component to satisfy ICE57. -->
+		<StandardDirectory Id="ProgramMenuFolder">
+			<Component Id="NetbirdAumidRegistry" Guid="*">
+				<RegistryKey Root="HKCU" Key="Software\Classes\AppUserModelId\NetBird" ForceDeleteOnUninstall="yes">
+					<RegistryValue Name="InstalledByMSI" Type="integer" Value="1" KeyPath="yes" />
+				</RegistryKey>
+			</Component>
+		</StandardDirectory>
+
 		<ComponentGroup Id="NetbirdFilesComponent">
 			<ComponentRef Id="NetbirdFiles" />
+			<ComponentRef Id="NetbirdAumidRegistry" />
 		</ComponentGroup>
 
 		<util:CloseApplication Id="CloseNetBird" CloseMessage="no" Target="netbird.exe" RebootPrompt="no" />