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index 82f89ca5..746de67b 100644
--- a/dll.vcxproj
+++ b/dll.vcxproj
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+      <WarningLevel>EnableAllWarnings</WarningLevel>
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+      <WarningLevel>EnableAllWarnings</WarningLevel>
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diff --git a/src/tools/mdbx_chk.vcxproj b/src/tools/mdbx_chk.vcxproj
index b680471d..d4cc420d 100644
--- a/src/tools/mdbx_chk.vcxproj
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diff --git a/src/tools/mdbx_copy.vcxproj b/src/tools/mdbx_copy.vcxproj
index d2ff8254..6910060f 100644
--- a/src/tools/mdbx_copy.vcxproj
+++ b/src/tools/mdbx_copy.vcxproj
@@ -93,7 +93,7 @@
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diff --git a/src/tools/mdbx_dump.vcxproj b/src/tools/mdbx_dump.vcxproj
index 5f8b0b24..b44eb193 100644
--- a/src/tools/mdbx_dump.vcxproj
+++ b/src/tools/mdbx_dump.vcxproj
@@ -93,7 +93,7 @@
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diff --git a/src/tools/mdbx_load.vcxproj b/src/tools/mdbx_load.vcxproj
index 93a88f93..6af6cc45 100644
--- a/src/tools/mdbx_load.vcxproj
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diff --git a/src/tools/mdbx_stat.vcxproj b/src/tools/mdbx_stat.vcxproj
index 3475165b..1adcefde 100644
--- a/src/tools/mdbx_stat.vcxproj
+++ b/src/tools/mdbx_stat.vcxproj
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