diff --git a/basic/srv/vm/mgr/appmgr.py b/basic/srv/vm/mgr/appmgr.py
index 289dd44..b7b7ea7 100644
--- a/basic/srv/vm/mgr/appmgr.py
+++ b/basic/srv/vm/mgr/appmgr.py
@@ -54,13 +54,15 @@ class AppMgr:
 
     def fetch_online_packages(self):
         # Fetches and verifies online packages. Can raise InvalidSignature
-        self.online_packages = {}
+        online_packages = {}
         packages = self.get_repo_resource('packages').content
         packages_sig = self.get_repo_resource('packages.sig').content
         with open(PUB_FILE, 'rb') as f:
             pub_key = load_pem_public_key(f.read(), default_backend())
         pub_key.verify(packages_sig, packages, ec.ECDSA(hashes.SHA512()))
-        self.online_packages = json.loads(packages)
+        online_packages = json.loads(packages)
+        # Minimze the time when self.online_packages is out of sync
+        self.online_packages = online_packages
 
     def enqueue_action(self, action, app):
         # Remove actions older than 1 day
@@ -110,7 +112,7 @@ class AppMgr:
         for dep in deps:
             item.data.stage = 1
             # Purge old data before unpacking to clean previous failed installation
-            self.purge_package()
+            self.purge_package(dep)
             self.unpack_package(dep)
         for deps in deps:
             item.data.stage = 3 if dep == deps[-1] else 2
@@ -147,7 +149,8 @@ class AppMgr:
 
     def purge_package(self, name):
         # Removes package and shared data from filesystem
-        lxc_dir = os.path.join(LXC_ROOT, self.conf['packages'][name]['lxcpath'])
+        lxcpath = self.conf['packages'][name]['lxcpath'] if name in self.conf['packages'] else self.online_packages[name]['lxcpath']
+        lxc_dir = os.path.join(LXC_ROOT, lxcpath)
         if os.path.exists(lxc_dir):
             shutil.rmtree(lxc_dir)
         srv_dir = os.path.join('/srv/', name)