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NashvilleCanucks-0946 avatar image
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NashvilleCanucks-0946 asked LimitlessTechnology-2700 answered

Cannot connect to the printer. The print processor does not exist.

An existing Windows 10 shared printer stopped working and when attempting to reestablish the shared printer I received the error message. "Windows cannot connect to the printer. The print processor does not exist".


A search led me to the article on the Microsoft Technet forums,

https://social.technet.microsoft.com/Forums/en-US/89a7fef5-9ad8-4e24-9351-6a577b66ed42/cannot-install-printer-print-processor-does-not-exist

In attempting to follow the instructions in the answer I ran into the problem, that I was unable to move the copy of winprint.dll that was obtained from another PC in house into the "C:\Windows\System32\spool\prtprocs\x64" folder. I was informed that I needed Admin permission but was not provided with a place to enter my password.

Is this guidance from the Technet forum still valid for this problem? How to do I complete the process of copying the "winprint.dll" file into the protected folder?

windows-10-generalwindows-10-network
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TKujala avatar image
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TKujala answered NashvilleCanucks-0946 commented

Hi @NashvilleCanucks-0946,

Have you tried to open the command prompt windows as adminstrator and then copy the file?

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So I opened command prompt as administrator and navigated to the directory where winprint.dll needs to be replaced. I then tried the copy command to copy the file from the usb drive to the folder.

I was prompted to overwrite the file, to which I replied, yes, but I then received an access is denied message.

To confirm the Print Spooler service was stopped prior to trying this.

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LimitlessTechnology-2700 avatar image
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LimitlessTechnology-2700 answered

Hi there,

I will suggest you to update the BIOS and install the latest drivers.

Check whether the UAC has been enabled before trying to move the winprint.dll.
Yes, the steps in the above TechNet are still good to give a short.

This must sort the issue.

Open the registry editor (Start > Run > type regedit.exe and press Enter)
Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Print\Environments\Windows x64\Print Processors\winprint in registry editor.
Check for existence of Driver key. If it does not exist, add new string value named Driver and set it equal to winprint.dll.
Restart the Print Spooler service



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