[SOLVED ERROR 1603] Simple way to fix all 1603 Error code

1603 General Windows Installer Engine Error

The 1603 error occurs on Windows if there is a problem while installing any software. Fix 1603 general error during installation on Windows by following the steps that are given below.

Close all the apps running in the background.

Launch Task Manager and select the Processes tab.

Now, select all programs one by one and click on the End Task button.

Check whether you have already installed the Kaspersky Antivirus software.

If you have the previous version of Kaspersky installed on your computer, uninstall it.

Press the Windows and R buttons together to open the Run dialog box.

Type “appwiz.cpl” and press Enter.

Now, you can view all software installed on your computer.

Locate the Kaspersky software and select it to click Uninstall.

When prompted for confirmation, click Yes.

Now, install Kaspersky again from the official Kaspersky website to fix the issue.

Kaspersky install error 1603 disk space

If you receive the “install 1603 error disk space” on Kaspersky, it means that there is not enough space to install Kaspersky on your hard drive. Resolve the install error with a few steps given below.

Launch File Explorer and right-click on the C drive. Now, select the Properties option to view the disk space on the drive.

If you don’t find enough space, uninstall third-party software on your computer.

You can run the disk clean utility to free some space on the drive.

Press the Windows+R buttons together and type “cleanmgr.exe” in the Run dialog box. Then, click OK.

Now, choose the drive you want to clean and click OK.

Select the files you want to remove from your computer. Then, click OK.

When prompted for confirmation to permanently remove the files, click Delete Files.

Also, remove unwanted files and applications from your computer.

You can now install the Kaspersky Antivirus software again after the issue is resolved.

Quick Heal Error Code 1603

The Quick Heal error 1603 may occur when you are trying to download or install the antivirus software. The operating system may freeze while you are opening Quick Heal. If you have not installed the antivirus software properly, it might lead to such errors. There might be an issue with the setup file of the Antivirus or Windows registry might have gone corruptive. Consider the instructions that are given below to fix the error.

Press the Alt+Control+Delete buttons together to launch the Task Manager window.

You can view the list of processes running on your system.

Select the suspected software and click End Process. Then, click on the Apply button.

Restart your computer and open Control Panel from the Start menu.

If you have installed any third-party security software, right-click on it to select the Uninstall option.

Complete the uninstallation process by following the instructions on the screen.

Run a full system scan on your computer to check for viruses or malware.

To remove the viruses, install Kaspersky by entering the product key.

From the scan report, delete the infected files or quarantine them to fix the error.

Setup Process Error 1603 Kaspersky Windows 10

If you receive the setup process error 1603 while installing Kaspersky on your Windows 10 computer, proceed with the steps that are given below to resolve the issue.

Make sure to install Kaspersky from an administrator account.

Enter the correct password of your computer when prompted.

Press the Start menu and type “cmd” in the Search section.

Right-click on the Command Prompt option and select Run as administrator.

Type “sfc /scannow” in the Command Prompt window.

From the scan results, recover the corrupted files by following the on-screen instructions.

If you have already installed Kaspersky, download the kavremover tool from the official Kaspersky website.

Run the kavremover tool in Safe mode and uninstall the Kaspersky application.

Now, download the Kaspersky software from the official Kaspersky support site.

You won’t receive the error again while installing Kaspersky.

Error 1603 Windows 7

Consider the methods given below to resolve the 1603 error that occurs on your Windows 7 computer.

Press the start menu and type Run.
When the Run dialog box appears, type “services.msc” and click OK.
Locate the Windows Installer service by scrolling down and double-click on it to open the service.
In the Windows Installer Properties window, click on the Start button.
If the Windows Installer service is already running, click Stop and select Start.
Type “msiexec /unregister” in the Run dialog box and press Enter.
Now, enter “msiexec /reregister” in the Run dialog box and click on the OK button.
This process will re-register the Windows Installer.
Make sure that you are the Admin user of your computer.
Press the Start menu and type “gpedit.msc” in the search section. Then, press Enter.
When the Local Group Policy Editor window displays, select the Administrative Templates option under Computer Configuration.
Open the Windows Components folder and double-click on Windows Installer.
Locate the Prohibit User Installs option and double-click on it.
If you find the current status as enabled, select the Not Configured option, and click OK.
This process will fix the error 1603 on your system.

Msi Error 1603 During Uninstall

If the MSI error occurs while uninstalling the Kaspersky Antivirus software, you can follow the guidelines that are given below to fix the issue.

Press the Windows and E buttons together to open File Explorer.
Right-click on the drive where you are going to install the software.
Select the Properties option and select Security.
Add your system user account by clicking on the Add button.
When the Select Users or Groups section appears, type system and click OK.
When prompted for the User Account Control access, click Yes.
You can use the kavremover tool to uninstall the program.
Run the installer file and agree with the terms and conditions of Kaspersky.
Type the security code and choose the Kaspersky Antivirus software that you want to uninstall. Then, click on the Remove button.
When the uninstallation is successful, you will receive a confirmation message on the screen.
Restart your computer to resolve the issue.

Fatal Error During Installation Kaspersky Endpoint Security 11

You will receive the fatal error when the network agent gets installed, and the Kaspersky application fails to install.

Restart your computer multiple times and try installing the Kaspersky Antivirus software.

Run a clean installation by deleting the previous Kaspersky registry files.

Delete the temporary files and folders to resolve the issue by running a disk clean-up process.

Press the Start menu and click the Settings icon.

Click the Update & Security section and select the Troubleshoot tab.

Select the Run the Troubleshooter option under each section to detect issues.

Complete the troubleshooting process by following the instructions on the screen.

Restart your computer and install the Kaspersky Endpoint Security 11 Antivirus software.

Msi Error 1603

You might receive this error if the Windows Installer is trying to install an application that is already installed on your computer. Also, if the installer folder is encrypted, you might receive this error. You can proceed with the steps that are given below to fix the MSI error 1603 occurring on your computer.

Uninstall the application if the app is already installed on your computer.

Go to Settings and select the System option. Then, click Apps & features.

Select the Kaspersky app that is already installed and click on the Uninstall button.

After completing the uninstallation process, install the Kaspersky Antivirus software from the non-encrypted package to fix the issue.

If the issue remains unsolved, get in touch with our technical support team by tapping on the Call button on this page to resolve your issues.

What is Setup Process Error 1603?