diff --git a/.github/workflows/tests-mql.yml b/.github/workflows/tests-mql.yml
index 94a9603c..3397ca6e 100644
--- a/.github/workflows/tests-mql.yml
+++ b/.github/workflows/tests-mql.yml
@@ -27,8 +27,6 @@ jobs:
       - name: Run ScriptDummy
         working-directory: tests
         run: docker-compose run ScriptDummy
-        # @fixme
-        if: false
       - name: Run ScriptPrintPaths
         working-directory: tests
         run: docker-compose run ScriptPrintPaths
diff --git a/scripts/.funcs.cmds.inc.sh b/scripts/.funcs.cmds.inc.sh
index 4c2ddae5..3120cae8 100644
--- a/scripts/.funcs.cmds.inc.sh
+++ b/scripts/.funcs.cmds.inc.sh
@@ -329,8 +329,10 @@ compile() {
   local log_file=${2:-${name##*/}.log}
   type iconv >/dev/null
 
+  local mt_ver=${MT_VER:-4}
   local rel_path=$name
   local target=$rel_path
+  mt_ver=${mt_ver:0:1}
   if [ -d "$rel_path" ]; then
     # If folder, enter it.
     cd "$rel_path"
@@ -344,8 +346,8 @@ compile() {
   elif [ ! -s "$rel_path" ]; then
     # If file does not exist, find in the current folder.
     name=${name##*/} # Drop the path.
-    local exact=$(find -L . -maxdepth 4 -type f -name "${name%.*}.mq?" -print -quit)
-    local match=$(find -L . -maxdepth 4 -type f -name "*${name%.*}*.mq?" -print -quit)
+    local exact=$(find -L . -maxdepth 4 -type f -name "${name%.*}.mq${mt_ver}" -print -quit)
+    local match=$(find -L . -maxdepth 4 -type f -name "*${name%.*}*.mq${mt_ver}" -print -quit)
     target=$(echo ${exact#./} || echo ${match#./})
     log_file=${log_file:-${name}.log}
   else
@@ -462,6 +464,8 @@ ini_copy() {
 ea_find() {
   local file="${1:-$EA_FILE}"
   local dir="${2:-$EXPERTS_DIR}"
+  local mt_ver=${MT_VER:-4}
+  mt_ver=${mt_ver:0:1}
   [ -d "$EXPERTS_DIR" ] || mkdir -p $VFLAG "$EXPERTS_DIR"
   cd "$dir"
   if [[ "$file" =~ :// ]]; then
@@ -474,10 +478,10 @@ ea_find() {
       echo "$file"
       return
     } ||
-    result=$(find -L . "$WORKDIR" "$ROOT" ~ -maxdepth 4 -type f '(' -iname "$file" -o -iname "${file%.*}.mq?" ')' -print -quit)
-  [ -z "$result" ] && result=$(find -L . "$WORKDIR" "$ROOT" ~ -maxdepth 4 -type f '(' -iname "$file" -o -name "${file%.*}.ex?" ')' -print -quit)
-  [ -z "$result" ] && result=$(find -L . "$WORKDIR" "$ROOT" ~ -maxdepth 4 -type f -iname "*${file%.*}*.mq?" -print -quit)
-  [ -z "$result" ] && result=$(find -L . "$WORKDIR" "$ROOT" ~ -maxdepth 4 -type f -iname "*${file%.*}*.ex?" -print -quit)
+    result=$(find -L . "$WORKDIR" "$ROOT" ~ -maxdepth 4 -type f '(' -iname "$file" -o -iname "${file%.*}.mq${mt_ver}" ')' -print -quit)
+  [ -z "$result" ] && result=$(find -L . "$WORKDIR" "$ROOT" ~ -maxdepth 4 -type f '(' -iname "$file" -o -name "${file%.*}.ex${mt_ver}" ')' -print -quit)
+  [ -z "$result" ] && result=$(find -L . "$WORKDIR" "$ROOT" ~ -maxdepth 4 -type f -iname "*${file%.*}*.mq${mt_ver}" -print -quit)
+  [ -z "$result" ] && result=$(find -L . "$WORKDIR" "$ROOT" ~ -maxdepth 4 -type f -iname "*${file%.*}*.ex${mt_ver}" -print -quit)
   echo ${result#./}
   cd - &>/dev/null
 }
@@ -488,6 +492,8 @@ ea_find() {
 script_find() {
   local file="$1"
   local dir="${2:-$SCRIPTS_DIR}"
+  local mt_ver=${MT_VER:-4}
+  mt_ver=${mt_ver:0:1}
   [ -d "$SCRIPTS_DIR" ] || mkdir -p $VFLAG "$SCRIPTS_DIR"
   cd "$dir"
   if [[ "$file" =~ :// ]]; then
@@ -500,10 +506,10 @@ script_find() {
       echo "$file"
       return
     } ||
-    result=$(find -L . "$WORKDIR" "$ROOT" ~ -maxdepth 4 -type f '(' -iname "$file" -o -iname "${file%.*}.mq?" ')' -print -quit)
+    result=$(find -L . "$WORKDIR" "$ROOT" ~ -maxdepth 4 -type f '(' -iname "$file" -o -iname "${file%.*}.mq${mt_ver}" ')' -print -quit)
   [ -z "$result" ] && result=$(find -L . "$WORKDIR" "$ROOT" ~ -maxdepth 4 -type f '(' -iname "$file" -o -name "${file%.*}.ex?" ')' -print -quit)
-  [ -z "$result" ] && result=$(find -L . "$WORKDIR" "$ROOT" ~ -maxdepth 4 -type f -iname "*${file%.*}*.mq?" -print -quit)
-  [ -z "$result" ] && result=$(find -L . "$WORKDIR" "$ROOT" ~ -maxdepth 4 -type f -iname "*${file%.*}*.ex?" -print -quit)
+  [ -z "$result" ] && result=$(find -L . "$WORKDIR" "$ROOT" ~ -maxdepth 4 -type f -iname "*${file%.*}*.mq${mt_ver}" -print -quit)
+  [ -z "$result" ] && result=$(find -L . "$WORKDIR" "$ROOT" ~ -maxdepth 4 -type f -iname "*${file%.*}*.ex${mt_ver}" -print -quit)
   echo ${result#./}
   cd - &>/dev/null
 }
diff --git a/scripts/.funcs.inc.sh b/scripts/.funcs.inc.sh
index b2aae4b0..0d0468c5 100644
--- a/scripts/.funcs.inc.sh
+++ b/scripts/.funcs.inc.sh
@@ -270,6 +270,23 @@ function conv() {
   iconv -f "$from" -t "$to" | tr -d \\r
 }
 
+# Print last return code.
+get_return() {
+  printf "%d" $?
+}
+
+# Print last negated return code.
+get_return_neg() {
+  printf "%d" $(( 1-$? ))
+}
+
+# Checks if process is running.
+is_process_up() {
+  local process=${1:-terminal}
+  WINEDEBUG=-all winedbg --command 'info proc' | grep -q "$process"
+  get_return_neg
+}
+
 # Restore IFS.
 restore_ifs() {
   IFS=$' \t\n'
@@ -319,7 +336,11 @@ kill_wine() {
     true
     return
   }
-  wineserver -k || true
+  wineserver -k -w || true
+  sleep 2
+  if [ $(is_process_up terminal) -eq 1 ]; then
+    wineserver -k9
+  fi
 }
 
 # Kill display.