How to fix Windows Installer corruption

When installing some software in Windows XP, a warning box is displayed:
"Cannot access Windows Installer
Service, you may be running Windows in safe mode, or Windows
The installer is not correctly installed. Please contact your support staff for help ."
Why?
How can I enable XP to Access Windows Installer when installing software?
How to cancel the security mode? How can I install Windows Installer correctly?
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Yes. Your Windows Installer is not correctly installed.
Stop the Windows Installer Service in the service
Download instmsiw.exe
Right-click MSI. inf and choose install. Right-click mspatcha. inf and click Install.
Enable the service again
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In the control panel, there is a service item in the management tool. After clicking open, find the Windows Installer item in it and enable it. Generally, only the. MSI file is used.
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XP system?
Yes. Start to run the input.
SC msiserver start = auto
SC start msiserver
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Method 1:
1. Stop the Windows Installer Service with msiexec/unregserver.
2.download instmsiw.exe and decompress it with WinRAR. Enter the directory.
3. Right-click MSI. inf, click Install, right-click mspatcha. inf, and click Install.
4.enable the service with msiexec.exe/regserver.
Method 2:
Step 1: use NotePad to compile the installer. reg file. The content is as follows:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services \ msiserver]
"ImagePath" =-
"ImagePath" = hex (2): 25, 00, 53,00, 79,00, 00, 00, 6d, 00, 6f, 00, 6f, 00 ,\
, 00, 5C, 79, 00, 00, 00, 6d, 00, 00, 5C, 00, 6d ,\
, 00, 2f, 00 ,\

Save the file as ". Reg" and double-click the file to import the file content to the Registry.
Step 2: restart the computer to enter safe mode (Press F8 at startup), then click Start --> Run, enter the CMD command, in the pop-up cmd Command Prompt window, enter "msiexec/regserver" and restart the system.
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Windows Installer error Solution
Windows Installer error Solution
Windows Installer (Windows Installation Service) is a common software release method. Currently, many software programs use Windows Installer as their own installation method. Program Windows Installer errors may occur due to various causes and defects of Windows installer.
Symptom 1: After a program is deleted, a window "Windows Installer is being configured in windows, please wait" will always pop up when some software is running.
Solution:
1. reinstall Windows Installer. the root directory of the Office XP installation disk contains two files named instmsi.exeand instmsi1_exe. instmsi.exe is used for Win9x/me, and instmsiw.exe is used for Win2000/XP;
2. Enable Group Policy → Computer Configuration → manage template → Windows Components → Windows Installer → Disable Windows Installer. In this way, many software can be installed. This method is used for Win2000/XP.
3. Please refer to the "end-to-end solutions" at the end of this article"
Symptom 2: When installing the software in Win2000/XP, the system prompts "unable to access the Windows Installer. In the service, the Windows Installer status is stopped and cannot be started"
Solution:
1. Enter misiexec/regserver at the command prompt.
2. Start Windows Installer in "Administrative Tools"> "services"
Symptom 3: "Windows Installer Service cannot be accessed..." is prompted when Win2000/XP is installed ......"
Solution:
1. Check whether the current user has administrator permissions;
2. Install ikernel.exe later;
3. Delete all files under the system installation directory Program Files \ common files \ InstallShield \ engine and then install it.
4. First, Run "msiexec/unregserver" to stop the Windows Installer Service;
Install instmsiw.exe (which is located in the root directory of the Office XP installation disk or can be downloaded from the Internet:
Http://download.microsoft.com/download/WinfowsInstaller/Install/2.0/NT45/EN-US/InstMsiW.exe), with WinRAR decompress to the Set Directory; enter the directory, right-click MSI. inf, select "Install", right click mspatcha. inf, select installation;
Finally, Run "msiexec/regserver" to enable the Service.
Symptom 4: when installing the software, the system administrator is prompted to set a system policy to prohibit this installation"
Solution:
1. Try to solve problem 3;
2. Enable Group Policy → user configuration → manage template → Windows Components → install services in Windows → disable media Installation ", set "always install with high privileges" to "enable"
The final solution to the above problems:
Download and install the Windows Installer cleanup utility 1.0 provided by Microsoft. Its main function is to clear the Windows Installer configuration information of the program. Start the tool to list all installed software used by Windows Installer in the current system. Select the software that has a problem and click "Remove.
Windows Installer cleanup utility 1.0:
Http://www.onlinedown.net/soft/27518.htm
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The above attempts can solve Windows Installer errors in general.
Applicable to Windows 2000/XP/2003