diff --git a/copyparty/__version__.py b/copyparty/__version__.py
index 71530054..ceafd9aa 100644
--- a/copyparty/__version__.py
+++ b/copyparty/__version__.py
@@ -1,8 +1,8 @@
 # coding: utf-8
 
-VERSION = (1, 3, 7)
+VERSION = (1, 3, 8)
 CODENAME = "god dag"
-BUILD_DT = (2022, 7, 16)
+BUILD_DT = (2022, 7, 27)
 
 S_VERSION = ".".join(map(str, VERSION))
 S_BUILD_DT = "{0:04d}-{1:02d}-{2:02d}".format(*BUILD_DT)
diff --git a/copyparty/httpcli.py b/copyparty/httpcli.py
index af497365..b8d001d3 100644
--- a/copyparty/httpcli.py
+++ b/copyparty/httpcli.py
@@ -378,7 +378,10 @@ class HttpCli(object):
 
                 em = str(ex)
                 msg = em if pex == ex else min_ex()
-                self.log("{}\033[0m, {}".format(msg, self.vpath), 3)
+                self.log(
+                    "{}\033[0m, {}".format(msg, self.vpath),
+                    6 if em.startswith("client d/c ") else 3,
+                )
 
                 msg = "{}\r\nURL: {}\r\n".format(em, self.vpath)
                 if self.hint:
diff --git a/copyparty/httpsrv.py b/copyparty/httpsrv.py
index 3f40b5e9..a6923e9d 100644
--- a/copyparty/httpsrv.py
+++ b/copyparty/httpsrv.py
@@ -261,8 +261,11 @@ class HttpSrv(object):
                 )
                 self.thr_client(sck, addr)
                 me.name = self.name + "-poolw"
-            except:
-                self.log(self.name, "thr_client: " + min_ex(), 3)
+            except Exception as ex:
+                if str(ex).startswith("client d/c "):
+                    self.log(self.name, "thr_client: " + str(ex), 6)
+                else:
+                    self.log(self.name, "thr_client: " + min_ex(), 3)
 
     def shutdown(self) -> None:
         self.stopping = True
diff --git a/copyparty/up2k.py b/copyparty/up2k.py
index 3b444d55..a0a84012 100644
--- a/copyparty/up2k.py
+++ b/copyparty/up2k.py
@@ -952,7 +952,7 @@ class Up2k(object):
     def _verify_integrity(self, vol: VFS) -> int:
         """expensive; blocks database access until finished"""
         ptop = vol.realpath
-        assert self.pp and self.mtag
+        assert self.pp
 
         cur = self.cur[ptop]
         rei = vol.flags.get("noidx")
@@ -1068,8 +1068,7 @@ class Up2k(object):
         with self.mutex:
             reg = self.register_vpath(ptop, vol.flags)
 
-        assert reg and self.pp and self.mtag
-        _, db_path = reg
+        assert reg and self.pp
         entags = self.entags[ptop]
         flags = self.flags[ptop]
         cur = self.cur[ptop]
diff --git a/copyparty/web/up2k.js b/copyparty/web/up2k.js
index ab7dc318..5a4befed 100644
--- a/copyparty/web/up2k.js
+++ b/copyparty/web/up2k.js
@@ -921,8 +921,14 @@ function up2k_init(subtle) {
         catch (ex) { }
 
         ev(e);
-        e.dataTransfer.dropEffect = 'copy';
-        e.dataTransfer.effectAllowed = 'copy';
+        try {
+            e.dataTransfer.dropEffect = 'copy';
+            e.dataTransfer.effectAllowed = 'copy';
+        }
+        catch (ex) {
+            document.body.ondragenter = document.body.ondragleave = document.body.ondragover = null;
+            return modal.alert('your browser does not support drag-and-drop uploading');
+        }
         clmod(ebi('drops'), 'vis', 1);
         var v = this.getAttribute('v');
         if (v)
@@ -1369,6 +1375,10 @@ function up2k_init(subtle) {
             st.busy.handshake.length)
             return false;
 
+        if (t.n - st.car > 8)
+            // prevent runahead from a stuck upload (slow server hdd)
+            return false;
+
         if ((uc.multitask ? 1 : 0) <
             st.todo.upload.length +
             st.busy.upload.length)