Fixed install path

Co-authored-by: Copilot <copilot@github.com>

Author: Hope-IT-Works

src/Invoke-WCMPSetup.ps1

@@ -208,7 +208,16 @@ if(!([System.Environment]::Is64BitOperatingSystem) -or !(([System.Environment]::
 }
 
 # Set root path for setup with fallback to the default path
-if(!(Test-Path -PathType Container -Path $WCMP.Config.Path)){
+if($WCMP.Config.Path -and !(Test-Path -PathType Container -Path $WCMP.Config.Path)){
+    try {
+        $WCMP.Info('Creating installation directory "'+$WCMP.Config.Path+'"...')
+        New-Item -Path $WCMP.Config.Path -ItemType Directory | Out-Null
+        $WCMP.Info('Installation directory created.')
+    } catch {
+        $WCMP.Warn('Could not create the specified path "'+$WCMP.Config.Path+'". Falling back to current directory.')
+        $WCMP.Config.Path = $WCMP.DefaultConfig.Path
+    }
+} elseif(!($WCMP.Config.Path)) {
     $WCMP.Config.Path = $WCMP.DefaultConfig.Path
 }