diff --git a/patches/app-builder-lib+24.13.3.patch b/patches/app-builder-lib+24.13.3.patch
index 974d704ba726..43a058815712 100644
--- a/patches/app-builder-lib+24.13.3.patch
+++ b/patches/app-builder-lib+24.13.3.patch
@@ -138,7 +138,7 @@ index 0000000..f198807
 +exports.addWinAsarIntegrity = addWinAsarIntegrity;
 +//# sourceMappingURL=electronWin.js.map
 diff --git a/node_modules/app-builder-lib/out/targets/LinuxTargetHelper.js b/node_modules/app-builder-lib/out/targets/LinuxTargetHelper.js
-index c3f1000..d4bb196 100644
+index c3f1000..62bd27c 100644
 --- a/node_modules/app-builder-lib/out/targets/LinuxTargetHelper.js
 +++ b/node_modules/app-builder-lib/out/targets/LinuxTargetHelper.js
 @@ -100,7 +100,7 @@ class LinuxTargetHelper {
@@ -194,6 +194,25 @@ index fe5d45c..8bb2bf4 100644
            !endif
            !insertmacro FIND_PROCESS "${APP_EXECUTABLE_FILENAME}" $R0
            ${If} $R0 == 0
+diff --git a/node_modules/app-builder-lib/templates/nsis/include/installer.nsh b/node_modules/app-builder-lib/templates/nsis/include/installer.nsh
+index 34e91df..73bfffc 100644
+--- a/node_modules/app-builder-lib/templates/nsis/include/installer.nsh
++++ b/node_modules/app-builder-lib/templates/nsis/include/installer.nsh
+@@ -90,7 +90,13 @@
+       ${if} $installMode == "all"
+         SetShellVarContext current
+       ${endif}
+-      !insertmacro copyFile "$EXEPATH" "$LOCALAPPDATA\${APP_INSTALLER_STORE_FILE}"
++      # SIGNAL CHANGE START
++      # This file is needed for electron-builder's native incremental updates,
++      # but we have our own system so no need to place it. Clean it up instead.
++      #
++      # !insertmacro copyFile "$EXEPATH" "$LOCALAPPDATA\${APP_INSTALLER_STORE_FILE}"
++      RMDir /r /REBOOTOK "$LOCALAPPDATA\signal-desktop-updater"
++      # SIGNAL CHANGE END
+       ${if} $installMode == "all"
+         SetShellVarContext all
+       ${endif}
 diff --git a/node_modules/app-builder-lib/templates/nsis/installSection.nsh b/node_modules/app-builder-lib/templates/nsis/installSection.nsh
 index 053772f..7981a4e 100644
 --- a/node_modules/app-builder-lib/templates/nsis/installSection.nsh