#   ==============================================================
#   It is recommended to test the script on a local machine for its purpose and effects. 
#   ManageEngine Endpoint Central will not be responsible for any 
#   damage/loss to the data/setup based on the behavior of the script.

#   Description: Script to clear global windows cache (Temp, Prefetch, $Recycle.bin)
#   Parameters: 
#   Remarks: 
#   Configuration Type - COMPUTER
#   ==============================================================

Function Clear-GlobalWindowsCache {
    Remove-CacheFiles 'C:\Windows\Temp' 
    Remove-CacheFiles "C:\`$Recycle.Bin"
    Remove-CacheFiles "C:\Windows\Prefetch"
   #C:\Windows\System32\rundll32.exe InetCpl.cpl, ClearMyTracksByProcess 255
   #C:\Windows\System32\rundll32.exe InetCpl.cpl, ClearMyTracksByProcess 4351
}

Function Remove-CacheFiles {
    param([Parameter(Mandatory=$true)][string]$path)    
    BEGIN 
    {
        $originalVerbosePreference = $VerbosePreference
        $VerbosePreference = 'Continue'  
    }
    PROCESS 
    {
        if((Test-Path $path))
        {
            if([System.IO.Directory]::Exists($path))
            {
                try 
                {
                    if($path[-1] -eq '\')
                    {
                        [int]$pathSubString = $path.ToCharArray().Count - 1
                        $sanitizedPath = $path.SubString(0, $pathSubString)
                        Remove-Item -Path "$sanitizedPath\*" -Recurse -Force -ErrorAction SilentlyContinue -Verbose
                    }
                    else 
                    {
                        Remove-Item -Path "$path\*" -Recurse -Force -ErrorAction SilentlyContinue -Verbose              
                    } 
                } catch { }
            }
            else 
            {
                try 
                {
                    Remove-Item -Path $path -Force -ErrorAction SilentlyContinue -Verbose
                } catch { }
            }
        }    
    }
    END 
    {
        $VerbosePreference = $originalVerbosePreference
    }
}

Clear-GlobalWindowsCache