diff --git a/controller/app/src/main/java/org/appdevforall/k2go/deepop/DeepOpService.java b/controller/app/src/main/java/org/appdevforall/k2go/deepop/DeepOpService.java
index 637f7fa5..8f2a4567 100644
--- a/controller/app/src/main/java/org/appdevforall/k2go/deepop/DeepOpService.java
+++ b/controller/app/src/main/java/org/appdevforall/k2go/deepop/DeepOpService.java
@@ -67,7 +67,7 @@ public final class DeepOpService extends Service {
 
     private static final String TAG = "IIAB-DeepOpService";
     private static final String CHANNEL_ID = "deepop_channel";
-    private static final int NOTIFICATION_ID = 7;
+    private static final int NOTIFICATION_ID = 12;   // K2GO-458: unique id (7 = CodeAssetsDownloadService); these can run concurrently
 
     public static final String ACTION_BACKUP = "org.iiab.controller.DEEPOP_BACKUP";
     public static final String ACTION_RESTORE = "org.iiab.controller.DEEPOP_RESTORE";
diff --git a/controller/app/src/main/java/org/appdevforall/k2go/forgejo/presentation/ForgejoSeedService.java b/controller/app/src/main/java/org/appdevforall/k2go/forgejo/presentation/ForgejoSeedService.java
index 78ce4a96..ea2c9f4b 100644
--- a/controller/app/src/main/java/org/appdevforall/k2go/forgejo/presentation/ForgejoSeedService.java
+++ b/controller/app/src/main/java/org/appdevforall/k2go/forgejo/presentation/ForgejoSeedService.java
@@ -52,7 +52,7 @@ public final class ForgejoSeedService extends Service {
 
     private static final String TAG = "K2Go-Provision";
     private static final String CHANNEL_ID = "forgejo_seed_channel";
-    private static final int NOTIFICATION_ID = 8;
+    private static final int NOTIFICATION_ID = 14;   // K2GO-458: unique id (8 = CloneShareService); these can run concurrently
 
     public static final String ACTION_START = "org.iiab.controller.FORGEJO_SEED_START";
     /** K2GO-422: force a fresh seed past a leftover "done" status (an intentional post-install re-seed). */
diff --git a/controller/app/src/main/java/org/appdevforall/k2go/install/presentation/InstallNotifications.java b/controller/app/src/main/java/org/appdevforall/k2go/install/presentation/InstallNotifications.java
index 673ee305..be42af51 100644
--- a/controller/app/src/main/java/org/appdevforall/k2go/install/presentation/InstallNotifications.java
+++ b/controller/app/src/main/java/org/appdevforall/k2go/install/presentation/InstallNotifications.java
@@ -35,8 +35,9 @@ public final class InstallNotifications {
     /** The ongoing foreground notification id (InstallService posts it via startForeground). */
     public static final int ONGOING_ID = 3;
 
-    /** The dismissible module-failure notification id, distinct from the foreground one. */
-    private static final int MODULE_FAIL_ID = ONGOING_ID + 4;
+    /** The dismissible module-failure notification id. K2GO-458: explicit unique value; the old
+     *  ONGOING_ID + 4 resolved to 7, which collided with the download/seed foreground services. */
+    private static final int MODULE_FAIL_ID = 13;
 
     private InstallNotifications() {
     }
diff --git a/controller/app/src/main/java/org/appdevforall/k2go/kolibri/presentation/KolibriSeedService.java b/controller/app/src/main/java/org/appdevforall/k2go/kolibri/presentation/KolibriSeedService.java
index 50523371..ff1302e3 100644
--- a/controller/app/src/main/java/org/appdevforall/k2go/kolibri/presentation/KolibriSeedService.java
+++ b/controller/app/src/main/java/org/appdevforall/k2go/kolibri/presentation/KolibriSeedService.java
@@ -57,7 +57,7 @@ public final class KolibriSeedService extends Service {
 
     private static final String TAG = "K2Go-Provision";
     private static final String CHANNEL_ID = "kolibri_seed_channel";
-    private static final int NOTIFICATION_ID = 7;
+    private static final int NOTIFICATION_ID = 9;   // K2GO-458: unique id (7 = CodeAssetsDownloadService); these can run concurrently
 
     public static final String ACTION_START = "org.iiab.controller.KOLIBRI_SEED_START";
     public static final String ACTION_RETRY = "org.iiab.controller.KOLIBRI_SEED_RETRY";