This will stop and restart EXPLORER.EXE for the currently logged in user.

 

 

#By eDecisions

$TasknameStop = "ExplorerStop"
$TasknameStart = "ExplorerStart"
$lastlogon = (New-Object -ComObject WScript.Shell).RegRead("HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\LogonUI\LastLoggedOnUser")

SCHTASKS /CREATE /sc ONCE /st 00:00 /TN $TasknameStop /RU $lastlogon /TR "taskkill /f /im explorer.exe"
SCHTASKS /CREATE /sc ONCE /st 00:00 /TN $TasknameStart /RU $lastlogon /TR "explorer.exe" 
start-sleep -s 1
schtasks /Run /TN $TasknameStop
start-sleep -s 1
schtasks /Run /TN $TasknameStart
start-sleep -s 1
schtasks /delete /tn $TasknameStop /f
schtasks /delete /tn $TasknameStart /f

Thx. You saved my day