Fix Windows - Powershell (Admin)

Fix_Windows_V2.ps1

#Run this script as admin, auto-elevate if not ran as admin
Write-Host "[INFO] Elevating script to admin..."
if (!([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")) { Start-Process powershell.exe "-NoProfile -ExecutionPolicy Bypass -File `"$PSCommandPath`"" -Verb RunAs; exit }

Pause
Write-Host "[INFO] Start time:" -ForegroundColor Yellow
$StartTime = Get-Date
Write-Host $StartTime


Write-Host "[FILE] Flushing DNS cache..." -ForegroundColor Yellow
ipconfig /flushdns

Write-Host "[FILE] Clearing ARP cache..." -ForegroundColor Yellow
arp -d *
netsh interface ip delete arpcache

Write-Host "[FILE] Clearing temp files...": -ForegroundColor Yellow
Set-Location -Path "C:\Windows\Temp"
Write-Host "[FILE] Flushing C:\Windows\Temp"
Remove-Item * -Force -Recurse -ErrorAction SilentlyContinue -WarningAction SilentlyContinue
Set-Location -Path $env:TEMP
Write-Host "[FILE] Flushing AppData Temp"
Remove-Item * -Force -Recurse -ErrorAction SilentlyContinue -WarningAction SilentlyContinue
Sleep 2

Write-Host "[INFO] Beginning DISM scans..." -ForegroundColor Yellow
Write-Host "[SCAN] Starting Scan 1 of 3"
Write-Host "[INFO] If scan gets stuck, press ENTER" -ForegroundColor Yellow
DISM /Online /Cleanup-Image /CheckHealth
Write-Host "[SCAN] Scan 1 complete"
Write-Host " "
Write-Host "[SCAN] Starting Scan 2 of 3"
Write-Host "[INFO] If scan gets stuck, press ENTER" -ForegroundColor Yellow
DISM /Online /Cleanup-Image /ScanHealth
Write-Host "[SCAN] Scan 2 complete"
Write-Host " "
Write-Host "[SCAN] Starting Scan 3 of 3"
Write-Host "[INFO] If scan gets stuck, press ENTER" -ForegroundColor Yellow
DISM /Online /Cleanup-Image /RestoreHealth
Write-Host "[SCAN] Scan 3 complete"
Sleep 2

Write-Host "[SCAN] Running SFC scan..." -ForegroundColor Yellow
SFC /scannow

Write-Host "[INFO] Opening Disk Cleanup..." -ForegroundColor Yellow
cleanmgr.exe
Sleep 1

Write-Host "[INFO] Opening defragmenter..." -ForegroundColor Yellow
dfrgui

Write-Host "[WARN] Scanning C: drive on next boot!!!" -ForegroundColor Red
chkdsk /f /r c:

$EndTime = Get-Date
Write-Host "End time:"
Write-Host $Endtime

$RunTime = New-TimeSpan -Start $StartTime -End (get-date) 
"[INFO] Execution time was {0}:{1}:{2}" -f $RunTime.Hours,  $RunTime.Minutes,  $RunTime.Seconds


Write-Host "###########ATTENTION###########" -ForegroundColor Red
Write-Host "A scan is set to run on the next boot, please restart your computer and allow it to scan" -ForegroundColor Red
Write-Host ""

Write-Host "[INFO] Showing system stats..." -ForegroundColor Yellow
systeminfo | findstr /B /C:"OS Name" /C:"OS Version" /C:"Original Install Date:" /C:"Time Zone" /C:"Total Physical Memory"


Write-Host ""
$bootuptime = (Get-CimInstance -ClassName Win32_OperatingSystem).LastBootUpTime
$CurrentDate = Get-Date
$uptime = $CurrentDate - $bootuptime

Write-Host "[INFO] System uptime" -ForegroundColor Yellow
Write-Host "$($uptime.days) days, $($uptime.Hours) hours, $($uptime.Minutes) minutes"
Write-Host ""
Write-Host "Perhaps consider a reboot? :)" -Foreground Cyan
Pause
Write-Host "Pressing [Enter] again will close this window"
Pause