diff --git a/basis/io/backend/windows/privileges/privileges-tests.factor b/basis/io/backend/windows/privileges/privileges-tests.factor
new file mode 100755
index 0000000000..7237651b80
--- /dev/null
+++ b/basis/io/backend/windows/privileges/privileges-tests.factor
@@ -0,0 +1,4 @@
+IN: io.backend.windows.privileges.tests
+USING: io.backend.windows.privileges tools.test ;
+
+[ [ ] with-privileges ] must-infer
diff --git a/basis/io/backend/windows/privileges/privileges.factor b/basis/io/backend/windows/privileges/privileges.factor
old mode 100644
new mode 100755
index 8661ba99d9..58806cc4df
--- a/basis/io/backend/windows/privileges/privileges.factor
+++ b/basis/io/backend/windows/privileges/privileges.factor
@@ -1,12 +1,13 @@
 USING: io.backend kernel continuations sequences
-system vocabs.loader combinators ;
+system vocabs.loader combinators fry ;
 IN: io.backend.windows.privileges
 
-HOOK: set-privilege io-backend ( name ? -- ) inline
+HOOK: set-privilege io-backend ( name ? -- )
 
 : with-privileges ( seq quot -- )
-    over [ [ t set-privilege ] each ] curry compose
-    swap [ [ f set-privilege ] each ] curry [ ] cleanup ; inline
+    [ '[ _ [ t set-privilege ] each @ ] ]
+    [ drop '[ _ [ f set-privilege ] each ] ]
+    2bi [ ] cleanup ; inline
 
 {
     { [ os winnt? ] [ "io.backend.windows.nt.privileges" require ] }
diff --git a/basis/io/launcher/windows/nt/nt-tests.factor b/basis/io/launcher/windows/nt/nt-tests.factor
index 53b3d3ce7e..4587556e0c 100755
--- a/basis/io/launcher/windows/nt/nt-tests.factor
+++ b/basis/io/launcher/windows/nt/nt-tests.factor
@@ -42,7 +42,7 @@ IN: io.launcher.windows.nt.tests
         console-vm "-run=listener" 2array >>command
         +closed+ >>stdin
         +stdout+ >>stderr
-    ascii [ input-stream get contents ] with-process-reader
+    ascii [ contents ] with-process-reader
 ] unit-test
 
 : launcher-test-path ( -- str )
@@ -85,7 +85,7 @@ IN: io.launcher.windows.nt.tests
         <process>
             console-vm "-script" "stderr.factor" 3array >>command
             "err2.txt" temp-file >>stderr
-        ascii <process-reader> lines first
+        ascii <process-reader> stream-lines first
     ] with-directory
 ] unit-test
 
@@ -97,7 +97,7 @@ IN: io.launcher.windows.nt.tests
     launcher-test-path [
         <process>
             console-vm "-script" "env.factor" 3array >>command
-        ascii <process-reader> contents
+        ascii <process-reader> stream-contents
     ] with-directory eval( -- alist )
 
     os-envs =
@@ -109,7 +109,7 @@ IN: io.launcher.windows.nt.tests
             console-vm "-script" "env.factor" 3array >>command
             +replace-environment+ >>environment-mode
             os-envs >>environment
-        ascii <process-reader> contents
+        ascii <process-reader> stream-contents
     ] with-directory eval( -- alist )
     
     os-envs =
@@ -120,7 +120,7 @@ IN: io.launcher.windows.nt.tests
         <process>
             console-vm "-script" "env.factor" 3array >>command
             { { "A" "B" } } >>environment
-        ascii <process-reader> contents
+        ascii <process-reader> stream-contents
     ] with-directory eval( -- alist )
 
     "A" swap at
@@ -132,7 +132,7 @@ IN: io.launcher.windows.nt.tests
             console-vm "-script" "env.factor" 3array >>command
             { { "USERPROFILE" "XXX" } } >>environment
             +prepend-environment+ >>environment-mode
-        ascii <process-reader> contents
+        ascii <process-reader> stream-contents
     ] with-directory eval( -- alist )
 
     "USERPROFILE" swap at "XXX" =