fix skipIf

setupApps.ps1

@@ -68,9 +68,9 @@ function InstallZip {
         [string] $exe,
         [string] $app,
         [bool] $createSubfolder = $false
-        [string] $skipIf
+        [string] $skipIf = $false
     )
-    if (-not (Test-Path -Path $skipIf -PathType Container)) {
+    if (-not (Test-Path -Path $skipIf -PathType Container) -and $skipIf -ne $false) {
         $zipName = [System.IO.Path]::GetFileNameWithoutExtension($zip)
         Write-Host "Installing $zipName..."
         $targetPath = $env:ProgramFiles