修复无法访问 Windows Installer 服务： ^{(Fix The Windows Installer service could not be accessed: )}如果您尝试安装使用MSI文件作为安装程序的程序，那么您可能会遇到错误消息“无法访问Windows Installer服务”。^{(Windows Installer)}当您尝试安装Microsoft Office 时也会出现此问题，因为它也使用Windows Installer。当您安装或卸载使用Microsoft Installer^{(Microsoft Installer)}服务的程序、Windows Installer服务未运行或Windows Installer注册表设置损坏时，将弹出错误消息。

无法访问 Windows Installer 服务。如果未正确安装 Windows Installer，则可能会发生这种情况。请联系您的支持人员寻求帮助。^{(The Windows Installer Service could not be accessed. This can occur if the Windows Installer is not correctly installed. Contact your support personnel for assistance.)}

现在我们只列出了少数可能导致上述错误的问题，但这通常取决于用户的系统配置，以了解他们为什么面临特定错误。因此，不要浪费任何时间，让我们看看如何在下面列出的故障排除指南的帮助下修复无法访问Windows Installer服务。^{(Windows Installer)}

“无法访问Windows Installer服务”[已解决]^{(Windows Installer)}

确保 创建一个还原点^{(create a restore point)} 以防万一出现问题。

方法一：重启 Windows Installer 服务^{(Method 1: Restart Windows Installer Service)}

1.按 Windows 键 + R 然后键入services.msc并按 Enter。

2.找到Windows Installer 服务^{(Windows Installer service)}，然后右键单击它并选择属性。^{(Properties.)}

3.如果服务尚未运行，请单击开始。^(Start)

4.如果服务已经在运行，则右键单击并选择重新启动。^(Restart.)

5.再次尝试安装出现拒绝访问错误的程序。

方法二：修改远程过程调用服务^{(Method 2: Modify Remote Procedure Call Service)}

1.按 Windows 键 + R 然后键入services.msc并按 Enter。

2.找到远程过程调用（RPC）^{(Remote Procedure Call (RPC))}服务，然后双击它打开它的属性。

3.切换到登录选项卡^{(Log On tab)}，然后勾选“本地系统帐户^{(Local System account)}”和“允许服务与桌面交互。^{(Allow service to interact with desktop.)}“

4.重新启动您的 PC 以保存更改并查看您是否能够修复错误。

5.如果没有，则再次打开RPC属性窗口并切换到登录选项卡。^{(Log On tab.)}

6.选中“此帐户^{(This account)}”并单击浏览^(browse)，然后键入“网络服务^{(Network Service)}”并单击“确定”。密码会自动填写，请勿更改。

7.如果找不到网络^(Network)服务，请使用以下地址：

NT Authority\NetworkService

8.重新启动您的PC，看看您是否能够 修复无法访问Windows Installer服务的错误。^{( Fix The Windows Installer service could not be accessed error.)}

方法 3：重新注册 Windows Installer^{(Method 3: Re-register Windows Installer)}

1.按Windows Key + X然后选择命令提示符（管理员）。^{(Command Prompt (Admin).)}

2.在cmd中输入^(Enter)以下命令并在每个命令后按Enter：

%windir%\system32\msiexec.exe /unregister
%windir%\system32\msiexec.exe /regserver
%windir%\syswow64\msiexec.exe /unregister
%windir%\syswow64\msiexec.exe /regserver

3.重新启动您的 PC 以保存更改。

4.如果问题未解决，请按Windows键 + R，然后键入以下内容并按 Enter：

%windir%\system32

5.找到Msiexec.exe文件，然后记下文件的确切地址，如下所示：

C:\WINDOWS\system32\Msiexec.exe

6.按 Windows 键 + R 然后键入regedit并按Enter打开注册表编辑器^{(Registry Editor)}。

7.导航到以下注册表项：

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSIServer

8.选择MSIServer，然后在右侧窗格中双击ImagePath。

9.现在在值数据字段中键入您上面提到的Msiexec.exe 文件^{( Msiexec.exe file)}的位置，后跟“/V”，整个事情看起来像：

C:\WINDOWS\system32\Msiexec.exe /V

10. 使用此处列出的任何方法将您的 PC 引导至安全模式。^{(methods listed here.)}

11.按Windows Key + X，然后选择命令提示符（管理员）。^{(Command Prompt (Admin).)}

12.键入以下命令并按Enter：

msiexec /regserver

%windir%\Syswow64\Msiexec /regserver

13.关闭一切并正常启动您的PC。

方法 4：重置 Windows Installer 服务^{(Method 4: Reset the Windows Installer Service)}

1.打开记事本^(Notepad)，然后按原样复制并粘贴以下内容：

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\msiserver]
"DisplayName"="@%SystemRoot%\\system32\\msimsg.dll,-27"
"ImagePath"=hex(2):25,00,73,00,79,00,73,00,74,00,65,00,6d,00,72,00,6f,00,6f,00,\
74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,6d,\
00,73,00,69,00,65,00,78,00,65,00,63,00,20,00,2f,00,56,00,00,00
"Description"="@%SystemRoot%\\system32\\msimsg.dll,-32"
"ObjectName"="LocalSystem"
"ErrorControl"=dword:00000001
"Start"=dword:00000003
"Type"=dword:00000010
"DependOnService"=hex(7):72,00,70,00,63,00,73,00,73,00,00,00,00,00
"ServiceSidType"=dword:00000001
"RequiredPrivileges"=hex(7):53,00,65,00,54,00,63,00,62,00,50,00,72,00,69,00,76,\
00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,43,00,72,00,65,00,61,00,\
74,00,65,00,50,00,61,00,67,00,65,00,66,00,69,00,6c,00,65,00,50,00,72,00,69,\
00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,4c,00,6f,00,63,00,\
6b,00,4d,00,65,00,6d,00,6f,00,72,00,79,00,50,00,72,00,69,00,76,00,69,00,6c,\
00,65,00,67,00,65,00,00,00,53,00,65,00,49,00,6e,00,63,00,72,00,65,00,61,00,\
73,00,65,00,42,00,61,00,73,00,65,00,50,00,72,00,69,00,6f,00,72,00,69,00,74,\
00,79,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,\
65,00,43,00,72,00,65,00,61,00,74,00,65,00,50,00,65,00,72,00,6d,00,61,00,6e,\
00,65,00,6e,00,74,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,\
00,00,53,00,65,00,41,00,75,00,64,00,69,00,74,00,50,00,72,00,69,00,76,00,69,\
00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,53,00,65,00,63,00,75,00,72,00,\
69,00,74,00,79,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,\
00,53,00,65,00,43,00,68,00,61,00,6e,00,67,00,65,00,4e,00,6f,00,74,00,69,00,\
66,00,79,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,\
00,65,00,50,00,72,00,6f,00,66,00,69,00,6c,00,65,00,53,00,69,00,6e,00,67,00,\
6c,00,65,00,50,00,72,00,6f,00,63,00,65,00,73,00,73,00,50,00,72,00,69,00,76,\
00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,49,00,6d,00,70,00,65,00,\
72,00,73,00,6f,00,6e,00,61,00,74,00,65,00,50,00,72,00,69,00,76,00,69,00,6c,\
00,65,00,67,00,65,00,00,00,53,00,65,00,43,00,72,00,65,00,61,00,74,00,65,00,\
47,00,6c,00,6f,00,62,00,61,00,6c,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,\
00,67,00,65,00,00,00,53,00,65,00,41,00,73,00,73,00,69,00,67,00,6e,00,50,00,\
72,00,69,00,6d,00,61,00,72,00,79,00,54,00,6f,00,6b,00,65,00,6e,00,50,00,72,\
00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,52,00,65,00,\
73,00,74,00,6f,00,72,00,65,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,\
00,65,00,00,00,53,00,65,00,49,00,6e,00,63,00,72,00,65,00,61,00,73,00,65,00,\
51,00,75,00,6f,00,74,00,61,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,\
00,65,00,00,00,53,00,65,00,53,00,68,00,75,00,74,00,64,00,6f,00,77,00,6e,00,\
50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,54,\
00,61,00,6b,00,65,00,4f,00,77,00,6e,00,65,00,72,00,73,00,68,00,69,00,70,00,\
50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,4c,\
00,6f,00,61,00,64,00,44,00,72,00,69,00,76,00,65,00,72,00,50,00,72,00,69,00,\
76,00,69,00,6c,00,65,00,67,00,65,00,00,00,00,00
"FailureActions"=hex:84,03,00,00,00,00,00,00,00,00,00,00,03,00,00,00,14,00,00,\
00,01,00,00,00,c0,d4,01,00,01,00,00,00,e0,93,04,00,00,00,00,00,00,00,00,00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\msiserver\Enum]
"0"="Root\\LEGACY_MSISERVER\\0000"
"Count"=dword:00000001
"NextInstance"=dword:00000001

2.现在从记事本菜单中单击文件^(File)，然后单击另存为。^{(Save As.)}

3.从保存^{(Save as)}类型下拉列表中选择所有文件。^{(All Files.)}

4.将文件命名为MSIrepair.reg（reg扩展非常重要）。

5.导航到桌面或要保存文件的位置，然后单击保存。^(Save.)

6.现在右键单击MSI repair.reg 文件并选择以管理员身份运行。^{(Run as Administrator.)}

7.重新启动您的 PC 以保存更改并查看您是否能够 修复无法访问 Windows Installer 服务。^{(Fix The Windows Installer service could not be accessed.)}

方法 5：重新安装 Windows 安装程序^{(Method 5: Reinstall Windows Installer)}

注意：仅适用^(Applied)于早期版本的 Windows

1.按Windows Key + X然后选择命令提示符（管理员）。^{(Command Prompt (Admin).)}

2.在cmd中输入^(Enter)以下命令并在每个命令后按Enter：

cd %windir%\system32
attrib -r -s -h dllcache
ren msi.dll msi.old
ren msiexec.exe msiexec.old
ren msihnd.dll msihnd.old
exit

3.重新启动您的 PC，然后从Microsoft 网站下载^{(Microsoft website)}Windows Installer 4.5 Redistributable。

4.安装 Redistributable 包，然后重新启动您的 PC。

为你推荐：^{(Recommended for you:)}

• 修复键盘键入数字而不是字母^{(Fix Keyboard Typing Numbers Instead of Letters)}
• 修复 USB 错误代码 52 Windows 无法验证数字签名^{(Fix USB Error Code 52 Windows cannot verify the digital signature)}
• 如何修复您的计算机出现内存问题^{(How To Fix Your Computer has a Memory problem)}
• 修复 Windows 更新错误 0x80080005^{(Fix Windows Update Error 0x80080005)}

就是这样，您已成功修复无法访问 Windows Installer 服务错误^{(Fix The Windows Installer service could not be accessed error)}，但如果您对本指南仍有任何疑问，请随时在评论部分询问。

"The Windows Installer service could not be accessed" [SOLVED]

Fix The Windows Installer service could not be accessed: If you’re trying to install a program which uses MSI file as it’s installer then chances are you may have faced the error message “The Windows Installer service could not be accessed”. This problem also occurs when you try to install Microsoft office, as it also uses Windows Installer. The error message will pop up when you install or uninstall a program that uses Microsoft Installer service, Windows Installer service is not running or the Windows Installer registry settings are corrupted.

The Windows Installer Service could not be accessed. This can occur if the Windows Installer is not correctly installed. Contact your support personnel for assistance.

Now we have only listed a handful of issues which could lead to the above error but it generally depends on users system configuration as to why they are facing the particular error. So without wasting any time let’s see how to Fix The Windows Installer service could not be accessed with the help of below-listed troubleshooting guide.

“The Windows Installer service could not be accessed” [SOLVED]

Make sure to create a restore point just in case something goes wrong.

Method 1: Restart Windows Installer Service

1.Press Windows Key + R then type services.msc and hit Enter.

2.Find Windows Installer service then right-click on it and select Properties.

3.Click on Start if the service is not already running.

4.If the service is already running then right-click and select Restart.

5.Again try to install the program which was giving access denied error.

Method 2: Modify Remote Procedure Call Service

1.Press Windows Key + R then type services.msc and hit Enter.

2.Locate Remote Procedure Call (RPC) service then double-click on it to open its properties.

3.Switch to Log On tab and then tick mark “Local System account” and “Allow service to interact with desktop.“

4.Reboot your PC to save changes and see if you’re able to fix the error.

5.If not, then again open RPC properties windows and switch to Log On tab.

6.Checkmark “This account” and click on browse then type “Network Service” and click OK. The password will automatically be filled, so don’t change it.

7.If you can’t find Network service then use the following address:

NT Authority\NetworkService

8.Restart your PC and see if you’re able to Fix The Windows Installer service could not be accessed error.

Method 3: Re-register Windows Installer

1.Press Windows Key + X then select Command Prompt (Admin).

2.Type the following command into cmd and hit Enter after each one:

%windir%\system32\msiexec.exe /unregister
%windir%\system32\msiexec.exe /regserver
%windir%\syswow64\msiexec.exe /unregister
%windir%\syswow64\msiexec.exe /regserver

3.Reboot your PC to save changes.

4.If the issue is not resolved then press Windows key + R then type the following and hit Enter:

%windir%\system32

5.Locate the Msiexec.exe file then note down the exact address of the file which would be something like this:

C:\WINDOWS\system32\Msiexec.exe

6.Press Windows Key + R then type regedit and hit Enter to open Registry Editor.

7.Navigate to the following registry key:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSIServer

8.Select MSIServer then in the right window pane double-click on ImagePath.

9.Now type the location of the Msiexec.exe file which you noted above in the value data field followed by “/V” and the whole thing would look like:

C:\WINDOWS\system32\Msiexec.exe /V

10.Boot your PC into safe mode using any of the methods listed here.

11.Press Windows Key + X then select Command Prompt (Admin).

12.Type the following command and hit Enter:

msiexec /regserver

%windir%\Syswow64\Msiexec /regserver

13.Close everything and boot your PC normally.

Method 4: Reset the Windows Installer Service

1.Open Notepad then copy & paste the following as it is:

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\msiserver]
"DisplayName"="@%SystemRoot%\\system32\\msimsg.dll,-27"
"ImagePath"=hex(2):25,00,73,00,79,00,73,00,74,00,65,00,6d,00,72,00,6f,00,6f,00,\
74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,6d,\
00,73,00,69,00,65,00,78,00,65,00,63,00,20,00,2f,00,56,00,00,00
"Description"="@%SystemRoot%\\system32\\msimsg.dll,-32"
"ObjectName"="LocalSystem"
"ErrorControl"=dword:00000001
"Start"=dword:00000003
"Type"=dword:00000010
"DependOnService"=hex(7):72,00,70,00,63,00,73,00,73,00,00,00,00,00
"ServiceSidType"=dword:00000001
"RequiredPrivileges"=hex(7):53,00,65,00,54,00,63,00,62,00,50,00,72,00,69,00,76,\
00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,43,00,72,00,65,00,61,00,\
74,00,65,00,50,00,61,00,67,00,65,00,66,00,69,00,6c,00,65,00,50,00,72,00,69,\
00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,4c,00,6f,00,63,00,\
6b,00,4d,00,65,00,6d,00,6f,00,72,00,79,00,50,00,72,00,69,00,76,00,69,00,6c,\
00,65,00,67,00,65,00,00,00,53,00,65,00,49,00,6e,00,63,00,72,00,65,00,61,00,\
73,00,65,00,42,00,61,00,73,00,65,00,50,00,72,00,69,00,6f,00,72,00,69,00,74,\
00,79,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,\
65,00,43,00,72,00,65,00,61,00,74,00,65,00,50,00,65,00,72,00,6d,00,61,00,6e,\
00,65,00,6e,00,74,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,\
00,00,53,00,65,00,41,00,75,00,64,00,69,00,74,00,50,00,72,00,69,00,76,00,69,\
00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,53,00,65,00,63,00,75,00,72,00,\
69,00,74,00,79,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,\
00,53,00,65,00,43,00,68,00,61,00,6e,00,67,00,65,00,4e,00,6f,00,74,00,69,00,\
66,00,79,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,\
00,65,00,50,00,72,00,6f,00,66,00,69,00,6c,00,65,00,53,00,69,00,6e,00,67,00,\
6c,00,65,00,50,00,72,00,6f,00,63,00,65,00,73,00,73,00,50,00,72,00,69,00,76,\
00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,49,00,6d,00,70,00,65,00,\
72,00,73,00,6f,00,6e,00,61,00,74,00,65,00,50,00,72,00,69,00,76,00,69,00,6c,\
00,65,00,67,00,65,00,00,00,53,00,65,00,43,00,72,00,65,00,61,00,74,00,65,00,\
47,00,6c,00,6f,00,62,00,61,00,6c,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,\
00,67,00,65,00,00,00,53,00,65,00,41,00,73,00,73,00,69,00,67,00,6e,00,50,00,\
72,00,69,00,6d,00,61,00,72,00,79,00,54,00,6f,00,6b,00,65,00,6e,00,50,00,72,\
00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,52,00,65,00,\
73,00,74,00,6f,00,72,00,65,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,\
00,65,00,00,00,53,00,65,00,49,00,6e,00,63,00,72,00,65,00,61,00,73,00,65,00,\
51,00,75,00,6f,00,74,00,61,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,\
00,65,00,00,00,53,00,65,00,53,00,68,00,75,00,74,00,64,00,6f,00,77,00,6e,00,\
50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,54,\
00,61,00,6b,00,65,00,4f,00,77,00,6e,00,65,00,72,00,73,00,68,00,69,00,70,00,\
50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,4c,\
00,6f,00,61,00,64,00,44,00,72,00,69,00,76,00,65,00,72,00,50,00,72,00,69,00,\
76,00,69,00,6c,00,65,00,67,00,65,00,00,00,00,00
"FailureActions"=hex:84,03,00,00,00,00,00,00,00,00,00,00,03,00,00,00,14,00,00,\
00,01,00,00,00,c0,d4,01,00,01,00,00,00,e0,93,04,00,00,00,00,00,00,00,00,00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\msiserver\Enum]
"0"="Root\\LEGACY_MSISERVER\\0000"
"Count"=dword:00000001
"NextInstance"=dword:00000001

2.Now from Notepad menu click File then click Save As.

3.From the Save as type drop-down select All Files.

4.Name the file as MSIrepair.reg (reg extension is very important).

5.Navigate to desktop or where you want to save the file and then click Save.

6.Now right-click on the MSI repair.reg file and select Run as Administrator.

7.Reboot your PC to save changes and see if you’re able to Fix The Windows Installer service could not be accessed.

Method 5: Reinstall Windows Installer

Note: Only Applied to earlier version of Windows

1.Press Windows Key + X then select Command Prompt (Admin).

2.Type the following command into cmd and hit Enter after each one:

cd %windir%\system32
attrib -r -s -h dllcache
ren msi.dll msi.old
ren msiexec.exe msiexec.old
ren msihnd.dll msihnd.old
exit

3.Reboot your PC and then download the Windows Installer 4.5 Redistributable from Microsoft website.

4.Install the Redistributable package and then reboot your PC.

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That’s it you have successfully Fix The Windows Installer service could not be accessed error but if you still have any questions regarding this guide then feel free ask them in the comment’s section.

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