diff --git a/copyparty/__main__.py b/copyparty/__main__.py
index 3463a037..10efe73a 100755
--- a/copyparty/__main__.py
+++ b/copyparty/__main__.py
@@ -657,6 +657,8 @@ def run_argparse(
     ap2.add_argument("-p", metavar="PORT", type=u, default="3923", help="ports to bind (comma/range)")
     ap2.add_argument("--ll", action="store_true", help="enable link-local IPv6 (supported by ie11 and firefox (not chrome)) -- breaks some mdns clients")
     ap2.add_argument("--rproxy", metavar="DEPTH", type=int, default=1, help="which ip to keep; [\033[32m0\033[0m]=tcp, [\033[32m1\033[0m]=origin (first x-fwd), [\033[32m2\033[0m]=cloudflare, [\033[32m3\033[0m]=nginx, [\033[32m-1\033[0m]=closest proxy")
+    if ANYWIN:
+        ap2.add_argument("--reuseaddr", action="store_true", help="set reuseaddr on listening sockets on windows; allows rapid restart of copyparty at the expense of being able to accidentally start multiple instances")
     ap2.add_argument("--s-wr-sz", metavar="B", type=int, default=256*1024, help="socket write size in bytes")
     ap2.add_argument("--s-wr-slp", metavar="SEC", type=float, default=0, help="debug: socket write delay in seconds")
     ap2.add_argument("--rsp-slp", metavar="SEC", type=float, default=0, help="debug: response delay in seconds")
diff --git a/copyparty/httpsrv.py b/copyparty/httpsrv.py
index 6d321182..75a8b9af 100644
--- a/copyparty/httpsrv.py
+++ b/copyparty/httpsrv.py
@@ -28,7 +28,7 @@ except ImportError:
     )
     sys.exit(1)
 
-from .__init__ import MACOS, TYPE_CHECKING, EnvParams
+from .__init__ import ANYWIN, MACOS, TYPE_CHECKING, EnvParams
 from .bos import bos
 from .httpconn import HttpConn
 from .util import (
@@ -182,9 +182,12 @@ class HttpSrv(object):
                 sck.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
             except:
                 pass
-            sck.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+
+            if not ANYWIN or self.args.reuseaddr:
+                sck.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+
             sck.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
-            sck.settimeout(None)  # < does not inherit, ^ does
+            sck.settimeout(None)  # < does not inherit, ^ opts above do
 
         self.ip, self.port = sck.getsockname()[:2]
         self.srvs.append(sck)
diff --git a/copyparty/tcpsrv.py b/copyparty/tcpsrv.py
index c0917ed1..b4e1128d 100644
--- a/copyparty/tcpsrv.py
+++ b/copyparty/tcpsrv.py
@@ -199,9 +199,12 @@ class TcpSrv(object):
             srv.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
         except:
             pass
-        srv.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+
+        if not ANYWIN or self.args.reuseaddr:
+            srv.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+
         srv.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
-        srv.settimeout(None)  # < does not inherit, ^ does
+        srv.settimeout(None)  # < does not inherit, ^ opts above do
 
         try:
             srv.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_V6ONLY, False)