if (Test-Path "${Env:ProgramFiles}\ATERA Networks\AteraAgent\unins000.exe") {
    Start-Process "${Env:ProgramFiles}\ATERA Networks\AteraAgent\unins000.exe" -ArgumentList "/SILENT" -Wait
}
if (Test-Path "${Env:ProgramFiles(x86)}\ATERA Networks\AteraAgent\unins000.exe") {
    Start-Process "${Env:ProgramFiles(x86)}\ATERA Networks\AteraAgent\unins000.exe" -ArgumentList "/SILENT" -Wait
}
if (Test-Path "${Env:ProgramFiles(x86)}\ATERA Networks") { Remove-Item "${Env:ProgramFiles(x86)}\ATERA Networks" -Recurse }
if (Test-Path "${Env:ProgramFiles}\ATERA Networks") { Remove-Item "${Env:ProgramFiles}\ATERA Networks" -Recurse }
if (Test-Path "HKLM:Software\ATERA Networks") { Remove-Item "HKLM:Software\ATERA Networks" -Recurse }