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Windows Installer Could Not Be Accessed Windows 7
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360 games PC games windows installer service could not be accessed windows 10 Windows games Windows phone games Entertainment All Entertainment
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Movies & TV Music Business & Education Business Students & educators windows installer service could not be accessed windows 8 Developers Sale Sale Find a store Gift cards Products Software & services Windows Office Free downloads & security Internet https://support.microsoft.com/en-us/kb/324516 Explorer Microsoft Edge Skype OneNote OneDrive Microsoft Health MSN Bing Microsoft Groove Microsoft Movies & TV Devices & Xbox All Microsoft devices Microsoft Surface All Windows PCs & tablets PC accessories Xbox & games Microsoft Lumia All https://support.microsoft.com/en-us/kb/2642495 Windows phones Microsoft HoloLens For business Cloud Platform Microsoft Azure Microsoft Dynamics Windows for business Office for business Skype for business Surface for business Enterprise solutions Small business solutions Find a solutions provider Volume Licensing For developers & IT pros Develop Windows apps Microsoft Azure MSDN TechNet Visual Studio For students & educators Office for students OneNote in classroom Shop PCs & tablets perfect for students Microsoft in Education Support Sign in Cart Cart Javascript is disabled Please enable javascript and refresh the page Cookies are disabled Please enable cookies and refresh the page CV: {{ getCv() }} English (United States) Terms of use Privacy & cookies Trademarks © 2016 Microsoft
What Is 4G LTE? Subscribe l l FOLLOW US TWITTER GOOGLE+ FACEBOOK GET UPDATES BY EMAIL Enter your email below to get exclusive access to our best articles and tips before http://www.howtogeek.com/184374/how-to-fix-the-windows-installer-service-could-not-be-accessed-error-in-windows-7/ everybody else. RSS ALL ARTICLES FEATURES ONLY TRIVIA Search How-To Geek How to Fix the "Windows Installer Service could not be accessed" Error in Windows 7 Have you tried to install a program in https://support.apple.com/en-us/HT205788 Windows 7 that uses an MSI file as its installer and instead you saw the above error? Never fear. There is an easy solution and we’re here to help you with it. First, click on the windows installer Start menu and select Run. NOTE: If you don’t see the Run command on the Start menu, see our article about adding the Run command to the Start menu. In the Open edit box on the Run dialog box, enter “cmd” (without the quotes) and click OK. The Command Prompt window displays. For 64-bit Windows, type the following at the prompt and press Enter. %windir%\system32\msiexec.exe /unregister This unregisters the msiexec.exe file in could not be the C:\Windows\system32 directory. NOTE: We will show you the commands to enter for 32-bit Windows at the end of the article. Type the following at the prompt and press Enter. %windir%\system32\msiexec.exe /regserver This re-registers the msiexec.exe file in the C:\Windows\system32 directory. Type the following at the prompt and press Enter. %windir%\syswow64\msiexec.exe /unregister This unregisters the msiexec.exe file in the C:\Windows\syswow64 directory. Type the following at the prompt and press Enter. %windir%\syswow64\msiexec.exe /regserver This re-registers the msiexec.exe file in the C:\Windows\syswow64 directory. To close the Command Prompt window, type “exit” (without the quotes) at the prompt and press Enter. Reboot your computer. You should now be able to install programs that use MSI installer files. To fix this problem in 32-bit Windows, open the Command Prompt window as described above. Type the following commands in order, pressing Enter after each: msiexec /unregister msiexec /regserver Exit the Command Prompt window and reboot your computer to complete the fix. JOIN THE DISCUSSION (2 REPLIES) March 19, 2014 Shirl You know that box at the bottom of the Start menu? Well, if you type cmd into it you'll see cmd.exe highlighted at the top, simply press enter, or right click it to select Run as Administrator if you want an elevated prompt. Or press the Windows key
repair the software through the Windows Control Panel. If that doesn't work, you might need to uninstall the software, then install it again. The following error message might appear if you can't uninstall iTunes or one of its related programsbecause of issues with Windows: "There is a problem with this Windows Installer package. A program required for this install to complete could not be run. Contact your support personnel or package vendor." To fix the issue, follow these steps: Open "Uninstall a Program" from the Windows Control Panel. Windows 7 Windows 8 Windows 10 Select the program that you’re trying to remove. Select Repair. Follow the prompts to complete the repair process. Try to uninstall the program. Repeat steps 2 through 4 for each program that you want to uninstall. After you uninstall all iTunes programs,reinstall iTunes. Get more helpIf you still can’t uninstall the program, try using the Microsoft Program Install and Uninstall Utility. Make sure you have the latest Windows updates installed. Visit theMicrosoft Program Install and Uninstall Utilitywebsite. Windows 10 users: Make sure that you're using Internet Explorer or Microsoft Edge to visit theMicrosoft Program Install and Uninstall Utilitywebsite. From the upper-right corner of the browser window, open the Action Menu, then select F12 Developer Tools. Select the Emulation Tab, then select Internet Explorer 10 in the User Agent String menu. Click Run Now. If the utility doesn’t open automatically, open it from your downloads folder. The utility's name will start with MicrosoftFixIt.ProgramInstallUninstall. Read the license agreement. If you agree to the terms, click Accept. The utility runs. On the first screen of the utility, select "Detect problems and apply the fixes for me (Recommended)." When asked if you're having problems installing or uninstalling a program, select Uninstalling. Select the programthat you want to uninstall. Click Next. When asked if you want to Uninstall and cleanup, select "Yes, try uninstall." The utility tries to uninstall the program. Depend