diff --git a/updater/registry.go b/updater/registry.go
index fa7fe96..1f031c1 100644
--- a/updater/registry.go
+++ b/updater/registry.go
@@ -57,6 +57,18 @@ func (reg *ResourceRegistry) Initialize(storageDir *utils.DirStructure) error {
 	reg.tmpDir = storageDir.ChildDir("tmp", 0700)
 	reg.resources = make(map[string]*Resource)
 
+	// remove tmp dir to delete old entries
+	err = reg.Cleanup()
+	if err != nil {
+		log.Warningf("%s: failed to remove tmp dir: %s", reg.Name, err)
+	}
+
+	// (re-)create tmp dir
+	reg.tmpDir.Ensure()
+	if err != nil {
+		log.Warningf("%s: failed to create tmp dir: %s", reg.Name, err)
+	}
+
 	return nil
 }
 
diff --git a/updater/storage.go b/updater/storage.go
index 5e6de27..f444d04 100644
--- a/updater/storage.go
+++ b/updater/storage.go
@@ -82,7 +82,9 @@ func (reg *ResourceRegistry) LoadIndexes() error {
 	var firstErr error
 	for _, idx := range reg.getIndexes() {
 		err := reg.loadIndexFile(idx)
-		if err != nil && reg.Online {
+		if err == nil {
+			log.Debugf("%s: loaded index %s", reg.Name, idx.Path)
+		} else if reg.Online {
 			// try to download the index file if a local disk version
 			// does not exist or we don't have permission to read it.
 			if os.IsNotExist(err) || os.IsPermission(err) {
diff --git a/updater/updating.go b/updater/updating.go
index 7ead3ab..8e1a4cc 100644
--- a/updater/updating.go
+++ b/updater/updating.go
@@ -5,7 +5,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"io/ioutil"
-	"os"
 	"path/filepath"
 
 	"github.com/safing/portbase/utils"
@@ -56,7 +55,10 @@ func (reg *ResourceRegistry) downloadIndex(idx Index) error {
 	}
 
 	// add resources to registry
-	_ = reg.AddResources(new, false, idx.Stable, idx.Beta)
+	err = reg.AddResources(new, false, idx.Stable, idx.Beta)
+	if err != nil {
+		log.Warningf("%s: failed to add resources: %s", reg.Name, err)
+	}
 
 	// save index
 	err = ioutil.WriteFile(filepath.Join(reg.storageDir.Path, idx.Path), data, 0644)
@@ -121,11 +123,5 @@ func (reg *ResourceRegistry) DownloadUpdates(ctx context.Context) error {
 	}
 	log.Infof("%s: finished downloading updates", reg.Name)
 
-	// remove tmp folder after we are finished
-	err = os.RemoveAll(reg.tmpDir.Path)
-	if err != nil {
-		log.Tracef("%s: failed to remove tmp dir %s after downloading updates: %s", reg.Name, reg.tmpDir.Path, err)
-	}
-
 	return nil
 }