diff --git a/cmdline/mingwapp.c b/cmdline/mingwapp.c
index 9ac110e7..7a1c93c1 100644
--- a/cmdline/mingwapp.c
+++ b/cmdline/mingwapp.c
@@ -373,6 +373,7 @@ static int windows_rebuild_link(const struct fssnapshot_struct* fss, const char*
 
 	/* if no device path, assume snapshot absent */
 	if (device_path[0] == 0) {
+		log_error(0, "WARNING! Snapshot '%s' DeviceObject lost or removed externally.\n", name);
 		/* remove stale links */
 		windows_rmdir(guid_link);
 		windows_rmdir(link_path);
diff --git a/cmdline/state.c b/cmdline/state.c
index 757f30b5..bc9de161 100644
--- a/cmdline/state.c
+++ b/cmdline/state.c
@@ -6074,8 +6074,13 @@ void state_snapshot_read(struct snapraid_state* state)
 		struct snapraid_disk* disk = i->data;
 
 		/* check if it supports snapshot */
-		if (fssnapshot_mount(disk->mount_point, &disk->fss) != 0)
+		int res = fssnapshot_mount(disk->mount_point, &disk->fss);
+		if (res > 0)
 			continue;
+		if (res < 0) {
+			log_error(0, "WARNING! Disk %s snapshot mount failed, falling back to live filesystem...\n", disk->name);
+			continue;
+		}
 
 		size_t root_len = strlen(disk->fss.root_dir);
 
@@ -6086,6 +6091,7 @@ void state_snapshot_read(struct snapraid_state* state)
 				msg_progress("Using disk %s stable snapshot...\n", disk->name);
 			} else {
 				/* fallback to standard mount point */
+				log_error(0, "WARNING! Disk %s snapshot missing, falling back to live filesystem...\n", disk->name);
 				msg_progress("Using disk %s live filesystem...\n", disk->name);
 			}
 		}
@@ -6107,8 +6113,13 @@ void state_snapshot_write(struct snapraid_state* state, tommy_list* filterlist_d
 		struct snapraid_disk* disk = i->data;
 
 		/* check if it supports snapshot */
-		if (fssnapshot_mount(disk->mount_point, &disk->fss) != 0)
+		int res = fssnapshot_mount(disk->mount_point, &disk->fss);
+		if (res > 0)
 			continue;
+		if (res < 0) {
+			log_error(0, "WARNING! Disk %s snapshot mount failed, falling back to live filesystem...\n", disk->name);
+			continue;
+		}
 
 		size_t root_len = strlen(disk->fss.root_dir);
 
@@ -6141,6 +6152,7 @@ void state_snapshot_write(struct snapraid_state* state, tommy_list* filterlist_d
 				msg_progress("Using disk %s stable snapshot...\n", disk->name);
 			} else {
 				/* fallback to standard mount point */
+				log_error(0, "WARNING! Disk %s snapshot missing, falling back to live filesystem...\n", disk->name);
 				msg_progress("Using disk %s live filesystem...\n", disk->name);
 			}
 		}