- You have a computer that is running Windows 8 or Windows Server 2012.
- You print a file by using a 32-bit application.
- The print job is finished successfully.
Note The Splwow64.exe process is used to translate the driver model of a 64-bit operating system and a 32-bit program. Splwow64.exe is used to support the Printer Driver Isolation feature. The 32-bit version of Windows 8 has its own Splwow64.exe file, and the 32-bit version of Splwow64.exe is also affected by this issue. For more information about application isolation, see the following MSDN website:
After you apply this hotfix, the hotfix sets the default time-out value for the Splwow64.exe process to remain in memory to two minutes. Therefore, the Splwow64.exe process ends two minutes after the last print job is finished. Additionally, you can configure this time-out value by changing the registry value. To configure the time-out value, follow these steps:
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
- Swipe in from the right edge of the screen, and then tap Search. Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.
- In the search box, type regedit, and then tap or click regedit. If you are prompted to enter an administrator password, type the password. If you are prompted to provide confirmation, provide confirmation.
- Locate and then tap or click the following registry subkey: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Print
- On the Edit menu, point to New, and then tap or click DWORD Value.
- Type SplWOW64TimeOutSeconds.
- Press and hold or right-click SplWOW64TimeOutSeconds, and then tap or click Modify.
- In the Value data box, enter a value, and then tap or click OK.
- Exit Registry Editor.
Hotfix informationA supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.
If the hotfix is available for download, there is a "Hotfix Download Available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.
Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website: Note The "Hotfix Download Available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.
PrerequisitesTo apply this hotfix, you must be running Windows 8 or Windows Server 2012.
Registry informationTo use the hotfix in this package, you do not have to make any changes to the registry.
Restart requirementYou must restart the computer after you apply this hotfix.
Hotfix replacement informationThis hotfix does not replace a previously released hotfix.
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base: