Powershell script to run a .reg file on remote computers

I have tried creating a batch file using PsExec to update registry settings on remote computers without success so I am now trying to use Powershell. I have compiled the following script by using Google and playing about with scripts available on different forums.

 $myWindowsID=[System.Security.Principal.WindowsIdentity]::GetCurrent()
 $myWindowsPrincipal=new-object System.Security.Principal.WindowsPrincipal($myWindowsID)


 $adminRole=[System.Security.Principal.WindowsBuiltInRole]::Administrator


 if ($myWindowsPrincipal.IsInRole($adminRole))
    {

    $Host.UI.RawUI.WindowTitle = $myInvocation.MyCommand.Definition + "(Elevated)"
    $Host.UI.RawUI.BackgroundColor = "Darkred"
    clear-host
    }
 else
    {


    $newProcess = new-object System.Diagnostics.ProcessStartInfo "PowerShell";


    $newProcess.Arguments = $myInvocation.MyCommand.Definition;


    $newProcess.Verb = "runas";


    [System.Diagnostics.Process]::Start($newProcess);


    exit
    }

winrm quickconfig


    $servers = Get-Content c:tempservers.txt


    $HostedRegFile = "tempCyclopsOfficeDocumentfix.reg"

    foreach ($server in $servers)

    {

    $newfile = "\$serversc`$DownloadsRegistryFiles"

    New-Item -ErrorAction SilentlyContinue -ItemType directory -Path \$serversC$DownloadsRegistryFiles

    Copy-Item $HostedRegFile -Destination $newfile

    Invoke-Command -ComputerName $server -ScriptBlock {

    Start-Process -filepath "C:windowsregedit.exe" -argumentlist "/s C:DownloadsRegistryFilestest.reg"



 Write-Host -NoNewLine "Press any key to continue..."
 $null = $Host.UI.RawUI.ReadKey("NoEcho,IncludeKeyDown")

$retucode = $?+":"+$lastexitcode;

$codearr = $retucode.split(":");

write-host $codearr[0];

write-host $codearr[1];

#echo Registry_updated_successfully

#:Failed
#echo Registry_update_failed

 Write-Host -NoNewLine "Press any key to continue..."
 $null = $Host.UI.RawUI.ReadKey("NoEcho,IncludeKeyDown")
 }

 }

Now for my Problem, running the script, I get the following error

WinRM already is set up to receive requests on this machine.

WinRM already is set up for remote management on this machine.

Copy-item : Cannot find path 'C:OfficeDocumentfix.reg' because it does not exist.

But the path is correct, is there something blatantly obviously wrong with the script I am using, this is my 2nd push into Powershell so any help would be appreciated

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