Fix Spooler Subsystem  error with your computer

Reasons of Spooler Subsystem App error

There is 3 common reasons of Print Spooler errors
  • Spooler files corruption
  • Spooler registry entries corruption
  • Printer driver incompatibility
Files can become corrupted under the influence of printing software, malicious activity (spooler virus), and even after Windows Update. Printer driver incompatibility is an actual problem for old printers, when last released driver is not compatible with new operating system.


Instructions to fix “spooler subsystem app” error
You can download files mentioned in manual from DLL files directory or even copy them from you friends PC.
I
    1) Boot your system in Safe Mode
    2) Locate “spoolsv.exe” file in C:\Windows\system32\ folder
    3) Replace it with downloaded file
    4) Do the same with files “spoolss.dll“, “localspl.dll” and “winspl.dll”
    5) Boot your system in Normal Mode
II
    1) Press Win + R on your keyboard
    2) Type in “regedit” without quotes
    3) Locate this tree nodeHKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Spooler
    4) To the right-hand side of the window locate “imagepath” icon
    5) Double-click on it and type in C:\WINDOWS\system32\spoolsv.exe and press Enter
    6) Reboot
III
    1) Right-click on “My computer“, select “Manage”
    2) Locate “Services in services and applications“, click on “Services”
    3) To the right-hand side locate “print spooler” service, double-click on it
    4) Set Startup type as “Automatic“, apply
    5) Start the service
Source: http://www.besttechtips.org/how-to-fix-spooler-subsystem-app-error/