Error 1603 occurs when the Windows Installer is trying to install multiple programs simultaneously such as system updates, startup services, or other installations. Specifically, HP driver error 1603 occurs when:

An app that’s already installed on your computer The folder you’re trying to install the Windows Installer Package to is encrypted The drive containing the folder you’re trying to install the Windows Installer Package to is accessed as a substitute drive The system account doesn’t have full control permissions on the folder you’re trying to install Windows Installer package to, so the error comes because the Windows Installer service uses the System account to install software.

Here’s how to fix the HP driver error 1603 when it pops up on your computer.

How can I fix the HP driver error 1603?

1. Update drivers

If you get HP driver error 1603, you can fix it by uninstalling previous versions of drivers installed for the HP printer from the computer, and then download the latest drivers and firmware updates. Follow the steps mentioned above to update HP drivers using Windows Update. There are many versions for HP printers, so select the appropriate model of the printer and then download and install the drivers. This can be a long process, especially if you do it manually, therefore we recommend that you use a dedicated tool to do it automatically. This kind of tool will help you avoid permanent damage to your PC by downloading and installing the wrong driver versions. Download and launch the software, start the scan and wait until it finishes downloading and installing the latest drivers on your device. SPONSORED If there are any missing drivers or broken ones, this tool will identify and update/fix them as well. Additionally, you can set it up to regularly scan your drivers. This way, the app will run in the background and fix and update your drivers as you take care of other tasks. The tool is very lightweight, so you won’t have to worry about it affecting your PC’s performance. ⇒ Get DriverFix

2. Run the hardware troubleshooter

3. Use a Microsoft Fix It

Microsoft Fix It or easy fix solutions help diagnose and resolve issues for Microsoft products or third-party software that affects them. Once you click the download button, a Microsoft easy fix solution will download to help you deal with software issues automatically. The easy fix package can be a .msi or .diagcab (for later versions of Windows only) based on the technology used to create the package.

4. Verify that the Windows Installer service is set to Automatic

5. Install the driver in compatibility mode

6. Grant full control permissions to the System account

7. Register Windows components

7.1. Register the Atl.dll file

7.2. Unregister and reregister Microsoft Windows Installer

7.3. Reinstall HP software

8. Temporarily disable services, and then reinstall the HP software

8.1. Temporarily disable startup services

8.2. Temporarily disable Windows Update

8.3. Remove  and reinstall HP software

8.4. Reinstall HP software by doing the following:

8.5. Enable startup programs

8.6. Re-enable Windows Update

Click Start Select All Programs Click Windows Update In the left pane, click Change settings Under Install updates automatically, click Never check for updates and click OK

9. Upgrade to the latest Microsoft Windows Installer version

Did any of these solutions work for you? let us know in the comments section below.

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