How do I fix error 1721?

1. Disable/Configure any anti-spyware or anti-virus software on your system during the Java installation process.
2. Check to see if any spyware or adware is installed on your system blocking the completion of install process.

How do I fix Windows installer package?

How to Fix a Problem With Windows Installer Package

1. Restart the computer. Restarting Windows can fix a variety of problems, including Windows Installer package errors.
2. Update Windows.
3. Update Windows apps.
4. Run a Windows Troubleshooter.
5. Repair the app.
6. Reset the app.
7. Reinstall the app.
8. Disable some start-up apps.

How do I unregister and reinstall Windows Installer?

Method 1: Unregister and re-register the Windows Installer

1. Click Start, click Run, type MSIEXEC /UNREGISTER, and then click OK. Even if you do this correctly, it may look like nothing occurs.
2. Click Start, click Run, type MSIEXEC /REGSERVER, and then click OK.
3. Try your Windows Installer-based application again.

How do I fix a corrupted installer?

Go back to the Start Button and in the Search field type “MSIEXEC /UNREGISTER” without quotation marks, then press “Enter” or click “OK.” Go back to the Search field and this time type “MSIEXEC /REGSERVER” without quotation marks, and press “Enter” or click “OK.” Restart your computer and try the installation again.

How do I reinstall Windows 10 installer?

To reinstall the Windows Installer, follow these steps.

1. Click Start, and then click Run.
2. In the Open box, type cmd, and then click OK.
3. At the command prompt, type the following lines.
4. At the command prompt, type exit, and then press ENTER.
5. Restart your computer.
6. Update the Windows Installer files to the latest version.

How do I fix Windows installer errors not working?

1. Click Start. , type services.
2. Right-click Windows Installer, and then click Properties.
3. If the Startup type box is set to Disabled, change it to Manual.
4. Click OK to close the Properties window.
5. Right-click the Windows Installer service, and then click Start.
6. Try to install or to uninstall again.

Why is Windows Installer not working?

3] Windows Installer Service could not be accessed You may see the message Windows Installer Service could not be accessed. This usually happens if the Windows Installer Engine is corrupted, installed incorrectly, or disabled. You will need to fix either the corruption or fix the configuration or enable it.

How do I know if Windows Installer is working?

To check if the Windows Installer Service is running:

1. On Windows, click Start > Run.
2. In Open, type services. msc and click OK.
3. In the Services (Local) list, right-click Windows Installer and click Properties.
4. Inspect the Start Up Type box. If it is set to Disable: From the Start Up Type drop-down list, select Manual.

Why Windows Installer is not working?

Right-click Windows Installer, and then click Properties. Right-click the Windows Installer service, and then click Start. The service should start without errors. Try to install or to uninstall again.

How can I repair my Windows 7?

Follow these steps:

1. Restart your computer.
2. Press F8 before the Windows 7 logo appears.
3. At the Advanced Boot Options menu, select the Repair your computer option.
4. Press Enter.
5. System Recovery Options should now be available.

How do I fix a corrupted Windows 7 installer?

How to Repair a Faulty Windows Installation Without Reformatting

1. Step 1: Insert the Install Disc and Reboot.
2. Step 2: Get to the Command Prompt.
3. Step 3: Scan Your System.
4. Step 1: Do Some Prep Work.
5. Step 2: Insert the Install Disc.
6. Step 3: Reinstall Windows.

What to do if Windows Installer is not working?

Method 1: Use the Msconfig tool to confirm that the installer service is running

1. Click Start, and then click Run.
2. In the Open box, type msconfig, and then click OK.
3. On the Services tab, click to select the check box that is next to Windows Installer.
4. Click OK, and then click Restart to restart the computer.