Printer Spooler not running will cause the printing task to be stuck or cannot be printed. The solutions are as follows: 1. Check whether the service is running. If it is not running, start or restart manually; 2. Clear the spool file and reset the service permissions; 3. Check whether the service dependencies are normal; 4. Close the security software that may interfere; 5. Rebuild the Printer Spooler service through commands; most problems can be solved by restarting the service and cleaning the cache, otherwise you need to check the system log or use the system repair tool to further deal with it.
If the Printer Spooler is not running, the printing task will be stuck or cannot be printed at all. This problem is actually quite common in Windows systems, especially after system updates or when security software intervenes. Below are some practical solutions to help you quickly troubleshoot and repair.

How to confirm if Printer Spooler is running?
You can check whether this service is started normally:
- Press
Win R
to open the run window and enterservices.msc
to enter. - Find Print Spooler in the service list.
- Check whether the status is "Running".
- If it is not running, right-click to select "Start".
Sometimes even if "Running" is displayed, it may be abnormal. You can try restarting the service.

Common reasons why Printer Spooler fails to start
- Driver or spool file corruption : If there are previous unfinished printing tasks, spool file conflicts may occur.
- Permissions issue : The system account does not have sufficient permissions to the spool folder.
- Third-party software interference : Antivirus software and firewalls sometimes prevent Printer Spooler from starting.
- Windows update failure or system file corruption : This type of problem may cause service dependency exceptions.
Summary of quick repair methods
If you find that the service cannot be started, you can try the following steps:
-
Clear spool files
- Stop the Print Spooler service.
- Enter the path:
C:\Windows\System32\spool\PRINTERS
- Clear all files inside (these are the task caches to be printed).
- Start Print Spooler again.
-
Run the command prompt as administrator and execute the following command to reset service permissions
net stop spooler net start spooler
Check whether the service dependencies are normal
Right-click Print Spooler → Properties → Dependencies tab to ensure that all dependent services are enabled and run.
Turn off possible conflicting security software
Temporarily disable the antivirus software or firewall, and then try to start the service to confirm whether there is any interference.
A more thorough fix: Rebuild Printer Spooler service
If the regular method is invalid, you can consider re-registering the relevant components:
Open a command prompt (administrator permissions)
Enter the following command:
cd /d %systemroot%\System32 rundll32 printui.dll,PrintUIEntry /S /T2
Or run directly:
netsh winsock reset netsh winhttp reset proxy
This helps restore the underlying configuration related to network printing.
Basically these common operations. In most cases, it can be solved by restarting the service and cleaning the cache. If it still doesn't work, it may be a system-level problem. It is recommended to check the system log or consider the system repair tool.
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