Fix Windows Installer errors
The Windows Installer, previously known as Microsoft Installer, is an important part of your computer. While its key function is to help install Microsoft programs, many third-party software vendors also take advantage of it.
At times, you might see error messages such as:
- “Windows Installer Service couldn’t be started”
- “The Windows Installer Service could not be accessed”
- “Could not start the Windows Installer service on Local Computer. Error 5: Access is denied.”
When installing and uninstalling programs, changes are made to the Windows registry. This comprehensive database can become clogged with invalid registry keys, needless items left behind from previous installations and corrupted items. A registry cleaner will scan for errors in your registry and correct them, eliminating a wide range of problems.
The culprit of the error messages could also be the Windows Installer itself. For example, perhaps a Dynamic Link Library (DLL) file associated with the Installer is missing. Without it, you will not be able to install or, at times, even uninstall certain software.
As the Windows Installer was created by Microsoft, the company provides continued support for it. You can download the latest version for free through the Microsoft website.
compatible with the Windows® 7 32-bit and 64-bit Operating System!
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- MSI.DLL errors
- Runtime error definitions
- Scandisk
- Slow Computer
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- Task Manager
- Top DLL errors
- What are DLL errors?
- What to look for in a registry cleaner
- Windows Installer
- Windows Installer errors
- Windows Registry errors
- Windows Runtime errors
- Why should I clean my registry?

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