Try fix crash when canceling download

AssetBundleCacher.cs

@@ -159,6 +159,8 @@ namespace VRCX
         public void CancelDownload()
         {
             DownloadCanceled = true;
+            try
+            {
                 if (client != null)
                 {
                     client.CancelAsync();
@@ -171,6 +173,11 @@ namespace VRCX
                     if (Directory.Exists(Path.Combine(AssetBundleCacherTemp, AssetId)))
                         Directory.Delete(Path.Combine(AssetBundleCacherTemp, AssetId), true);
                 }
+            }
+            catch(Exception)
+            {
+
+            }
             DownloadProgress = -4;
         }
 
@@ -256,7 +263,7 @@ namespace VRCX
                 Directory.Delete(Path.Combine(AssetBundleCacherTemp, AssetId), true);
                 File.Delete(DownloadTempLocation);
             }
-            catch
+            catch(Exception)
             {
                 DownloadProgress = -14;
                 return;