diff --git a/cars/applications/grid_generation/epipolar_grid_generation.py b/cars/applications/grid_generation/epipolar_grid_generation.py
index 38f13c39..5ef5f4ba 100644
--- a/cars/applications/grid_generation/epipolar_grid_generation.py
+++ b/cars/applications/grid_generation/epipolar_grid_generation.py
@@ -176,19 +176,20 @@ def run(
         )
 
         logging.info(
-            "Left satellite acquisition angles: Azimuth angle: {:.1f}°, "
-            "Elevation angle: {:.1f}°".format(left_az, left_elev_angle)
+            "Left satellite acquisition angles: "
+            "Azimuth angle: {:.1f} degrees, "
+            "Elevation angle: {:.1f} degrees".format(left_az, left_elev_angle)
         )
 
         logging.info(
-            "Right satellite acquisition angles: Azimuth angle: {:.1f}°, "
-            "Elevation angle: {:.1f}°".format(right_az, right_elev_angle)
+            "Right satellite acquisition angles: "
+            "Azimuth angle: {:.1f} degrees, "
+            "Elevation angle: {:.1f} degrees".format(right_az, right_elev_angle)
         )
 
         logging.info(
-            "Stereo satellite convergence angle from ground: {:.1f}°".format(
-                convergence_angle
-            )
+            "Stereo satellite convergence angle from ground: "
+            "{:.1f} degrees".format(convergence_angle)
         )
 
         # Generate rectification grids
diff --git a/cars/core/cars_logging.py b/cars/core/cars_logging.py
index 4a365b83..6f652225 100644
--- a/cars/core/cars_logging.py
+++ b/cars/core/cars_logging.py
@@ -25,15 +25,41 @@
 and workers
 """
 
-import fcntl
 import logging
 import logging.config
 import os
+import platform
 
 # Standard imports
 from datetime import datetime
 from functools import wraps
 
+SYS_PLATFORM = platform.system().lower()
+IS_WIN = "windows" == SYS_PLATFORM
+
+if IS_WIN:
+    import msvcrt  # pylint: disable=E0401
+
+    def lock(file):
+        """Lock file for safe writing (Windows version)"""
+        msvcrt.locking(file.fileno(), msvcrt.LK_LOCK, 0)
+
+    def unlock(file):
+        """Unlock file for safe writing (Windows version)"""
+        msvcrt.locking(file.fileno(), msvcrt.LK_UNLCK, 0)
+
+else:
+    import fcntl
+
+    def lock(file):
+        """Lock file for safe writing (Unix version)"""
+        fcntl.flock(file, fcntl.LOCK_EX)
+
+    def unlock(file):
+        """Unlock file for safe writing (Unix version)"""
+        fcntl.flock(file, fcntl.LOCK_UN)
+
+
 PROGRESS = 21
 logging.addLevelName(PROGRESS, "PROGRESS")
 PROFILING_LOG = 15
@@ -90,9 +116,9 @@ def write_log(self, msg) -> None:
         Write log
         """
         with open(self.log_file, "a", encoding="utf-8") as file:
-            fcntl.flock(file, fcntl.LOCK_EX)
+            lock(file)
             file.write(msg)
-            fcntl.flock(file, fcntl.LOCK_UN)
+            unlock(file)
 
 
 def setup_logging(
diff --git a/cars/orchestrator/cluster/mp_cluster/multiprocessing_cluster.py b/cars/orchestrator/cluster/mp_cluster/multiprocessing_cluster.py
index 67cde9c7..82397d30 100644
--- a/cars/orchestrator/cluster/mp_cluster/multiprocessing_cluster.py
+++ b/cars/orchestrator/cluster/mp_cluster/multiprocessing_cluster.py
@@ -31,6 +31,7 @@
 # Standard imports
 import multiprocessing as mp
 import os
+import platform
 import shutil
 import signal
 import threading
@@ -58,6 +59,9 @@
 )
 from cars.orchestrator.cluster.mp_cluster.mp_tools import replace_data
 
+SYS_PLATFORM = platform.system().lower()
+IS_WIN = "windows" == SYS_PLATFORM
+
 RUN = 0
 TERMINATE = 1
 
@@ -106,14 +110,17 @@ def __init__(self, conf_cluster, out_dir, launch_worker=True):
         self.factorize_tasks = self.checked_conf_cluster["factorize_tasks"]
         # Set multiprocessing mode
         # forkserver is used, to allow OMP to be used in numba
-        mp_mode = "forkserver"
+        mp_mode = "spawn" if IS_WIN else "forkserver"
 
         self.launch_worker = launch_worker
 
         self.tmp_dir = None
 
         # affinity issues caused by numpy
-        os.system("taskset -p 0xffffffff %d  > /dev/null 2>&1" % os.getpid())
+        if IS_WIN is False:
+            os.system(
+                "taskset -p 0xffffffff %d  > /dev/null 2>&1" % os.getpid()
+            )
 
         if self.launch_worker:
             # Create wrapper object
diff --git a/cars/orchestrator/orchestrator.py b/cars/orchestrator/orchestrator.py
index 0d0436f0..6bb42945 100644
--- a/cars/orchestrator/orchestrator.py
+++ b/cars/orchestrator/orchestrator.py
@@ -22,10 +22,13 @@
 this module contains the orchestrator class
 """
 
-# Standard imports
 import collections
 import logging
+
+# Standard imports
+import multiprocessing
 import os
+import platform
 import shutil
 import sys
 
@@ -51,6 +54,9 @@
 from cars.orchestrator.registry import replacer_registry, saver_registry
 from cars.orchestrator.tiles_profiler import TileProfiler
 
+SYS_PLATFORM = platform.system().lower()
+IS_WIN = "windows" == SYS_PLATFORM
+
 
 class Orchestrator:
     """
@@ -105,7 +111,11 @@ def __init__(
                     "Auto mode is used for orchestator: "
                     "parameters set by user are ignored"
                 )
-            available_cpu = len(os.sched_getaffinity(0))
+            available_cpu = (
+                multiprocessing.cpu_count()
+                if IS_WIN
+                else len(os.sched_getaffinity(0))
+            )
             if available_cpu == 1:
                 logging.warning("Only one CPU detected.")
             nb_workers = max(1, available_cpu - 1)
diff --git a/setup.cfg b/setup.cfg
index 13e62341..1a0bd352 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -81,7 +81,7 @@ install_requires =
     cars-rasterize==0.2.*
     cars-resample==0.1.*
     vlsift==0.1.*
-    shareloc==0.2.1
+    shareloc==0.2.2
 
 package_dir =
     . = cars