diff --git a/src/gemini-viewer.lisp b/src/gemini-viewer.lisp
index 807ced2..d8bd0f0 100644
--- a/src/gemini-viewer.lisp
+++ b/src/gemini-viewer.lisp
@@ -456,7 +456,6 @@
                 for line-as-array = (with-print-error-message
                                       (read-line-into-array download-stream))
                 while line-as-array do
-                  (sleep 3)
                   (gemini-client:debug-gemini "[stream] gemini file stream raw data line : ~a"
                                               line-as-array)
                   (if (downloading-allowed-p wrapper-object)
diff --git a/src/gui/client/main-window.lisp b/src/gui/client/main-window.lisp
index 9ad770f..2a711db 100644
--- a/src/gui/client/main-window.lisp
+++ b/src/gui/client/main-window.lisp
@@ -70,8 +70,11 @@
          (declare (ignorable the-error))
         ,@on-error))))
 
-(defun notify-request-error (e)
-  (misc:dbg "got error ~a" e))
+(defun enqueue-request-and-wait-results (method-name id priority &rest args)
+  (ev:push-function-and-wait-results (lambda () (apply #'comm:make-request method-name id args))
+                                     :push-event-fn #'ev:push-event-unblock
+                                     :priority priority))
+
 
 (defun slurp-gemini-stream (iri &key
                                   (use-cache t)
@@ -87,20 +90,17 @@
              (when (not (or (funcall aborting-function)
                             (stream-exausted-p)))
                (ev:with-enqueued-process-and-unblock ()
-                 (handler-case
-                     (progn
-                       (let* ((last-lines-fetched (comm:make-request :gemini-stream-parsed-line-slice
-                                                                     1
-                                                                     iri
-                                                                     last-lines-fetched-count
-                                                                     nil))
-                              (next-start-fetching (length last-lines-fetched)))
-                         (when last-lines-fetched
-                           (funcall process-function last-lines-fetched))
-                         (loop-fetch (+ last-lines-fetched-count
-                                        next-start-fetching))))
-                   (error (e)
-                     (notify-request-error e)))))))
+                 (with-notify-errors
+                   (let* ((last-lines-fetched (comm:make-request :gemini-stream-parsed-line-slice
+                                                                 1
+                                                                 iri
+                                                                 last-lines-fetched-count
+                                                                 nil))
+                          (next-start-fetching (length last-lines-fetched)))
+                     (when last-lines-fetched
+                       (funcall process-function last-lines-fetched))
+                     (loop-fetch (+ last-lines-fetched-count
+                                    next-start-fetching))))))))
     (loop-fetch)))
 
 (defun start-streaming-thread (iri &key
@@ -123,6 +123,16 @@
           (setf (fetching-thread stream-wrapper) stream-thread)
           (push-db-stream stream-wrapper))))))
 
+(defun notify-request-error (e)
+  (gui-goodies:error-dialog gui:*tk*
+                            (format nil (_ "Comunication with backend failed: ~a") e)))
+
+(defmacro with-notify-errors (&body body)
+  `(handler-case
+       (progn ,@body)
+     (error (e)
+       (notify-request-error e))))
+
 (defun initialize-menu (parent)
   (with-accessors ((main-window main-window)) parent
     (let* ((bar        (gui:make-menubar))
@@ -152,7 +162,13 @@
 (defun autocomplete-iri-clsr (toolbar)
   (declare (ignore toolbar))
   (lambda (hint)
-    hint))
+    (if (> (length hint) 2)
+        (with-notify-errors
+          (enqueue-request-and-wait-results :complete-net-address
+                                            1
+                                            ev:+maximum-event-priority+
+                                            hint))
+        hint)))
 
 (defmethod initialize-instance :after ((object tool-bar) &key &allow-other-keys)
   (with-accessors ((iri-entry     iri-entry)
@@ -246,6 +262,8 @@
       (let ((main-frame (make-instance 'main-frame)))
         (gui:grid main-frame 0 0 :sticky :nswe)
         (gui-goodies:gui-resize-grid-all gui:*tk*)))))
-        ;; (let ((test-iri "gemini://omg.pebcak.club/"))
-        ;;   (slurp-gemini-stream test-iri
-        ;;                        :process-function (lambda (lines) (misc:dbg "lines ~a" lines))))))))
+
+
+;; (let ((test-iri "gemini://omg.pebcak.club/"))
+;;   (slurp-gemini-stream test-iri
+;;                        :process-function (lambda (lines) (misc:dbg "lines ~a" lines))))))))
diff --git a/src/program-events.lisp b/src/program-events.lisp
index 20ba50a..82d53c6 100644
--- a/src/program-events.lisp
+++ b/src/program-events.lisp
@@ -248,11 +248,15 @@
     (with-lock (lock)
       (bt:condition-notify condition-variable))))
 
-(defun push-function-and-wait-results (fn)
-  (let* ((event              (make-instance 'blocking-caller-event :payload fn))
+(defun push-function-and-wait-results (fn &key
+                                            (priority +standard-event-priority+)
+                                            (push-event-fn #'push-event))
+  (let* ((event              (make-instance 'blocking-caller-event
+                                            :payload fn
+                                            :priority priority))
          (lock               (lock event))
          (condition-variable (condition-variable event)))
-    (push-event event)
+    (funcall push-event-fn event)
     (with-lock (lock)
       (loop
         while (null (box:unbox (results event)))
diff --git a/src/tests/program-events-tests.lisp b/src/tests/program-events-tests.lisp
index 4ce0a25..b3e666a 100644
--- a/src/tests/program-events-tests.lisp
+++ b/src/tests/program-events-tests.lisp
@@ -84,7 +84,9 @@
       (bt:make-thread (lambda ()
                         (sleep 3)
                         (format t "push!~%")
-                        (setf res (push-function-and-wait-results #'callback))))
+                        (setf res
+                              (push-function-and-wait-results #'callback))
+                        (format t "pop!~%")))
       (map 'nil
            (lambda (a)
              (sleep 1)