Steps to Resolve McAfee Error code 1603

McAfee Error code 1603 is one of the errors that generally persist during the installation time of the Mcafee antivirus. By moving these types of error, may damage your device of Windows Operating System, your Pc or windows may slow down due to the error. Sometimes, the active program window also corrupts or crashes. There are some of the causes which persist due to McAfee Error Code 1603.

Causes of Error 1603

  • Corrupt download or incomplete installation of McAfee Virus Scan software.
  • Corruption or damage in Windows registry from a recent McAfee Virus Scan-related software change i.e. installs or uninstall
  • Virus or malware infection that has corrupted McAfee Virus Scan-related program files or Windows system files.
  • Another program maliciously or mistakenly deleted McAfee Virus Scan-related files.
  • Windows runs sluggishly and responds very slowly to keyboard or mouse input.
  • Your device freezes periodically for some time.

Steps to troubleshoot the McAfee Error Code 1603

To resolve McAfee Error Code 1603 you need to follow the given steps to troubleshoot this error. This type of error generally persists during the time of installation of McAfee Antivirus scan software. To fix these errors follow all the steps described below

Use Windows System Restore to undo all recent changes in the device

Window system restore permits you to go back in time with your device to help in fix your McAfee Error 1603 problems. System Restore can return the files of your device and software/program back to a time when everything is working well. This can really help you troubleshooting issues occurred due to the problem of Error 1603.

  • Go to the Start Button.
  • In the search box button, Type the System Restore word and then click on the Enter button.
  • One notification appears on your screen, click on the option of System Restore.
  • Enter any Password which you can’t forget.
  • Follow all the steps in the Wizard to choose a restore place.
  • Restore your device.

For more help, Contact McAfee customer support Team

By using these steps which are occurred during the installation of McAfee Antivirus. Don’t get hesitated these steps are one of the best solutions for the error, but if you are still facing any error or issue with the Error 1603 you can’t solve your issue then don’t waste your time. You can contact us directly at McAfee customer support team and they can help you instantly because this is the last option to troubleshoot the error 1603. Our executives are available 24*7 for which you can easily get your solution without wasting your money or time.

John Short is a self-professed security expert; he has been making the people aware of the security threats. His passion is to write about Cybersecurity, malware, social engineering, Games,internet and new media. He writes for mcafee products at or


Steps to Fix McAfee Antivirus Error Code 1603

Getting error code 1603 each and every time you try to scan your PC or laptop with McAfee antivirus software program? This deadly error code occurs during the process of installation where the software fails to upgrade or install. The error code can also appear while performing the update of the software from MA 4.5 to 4.6. To solve this fatal error, you must require technical help who can grasp your problem easily and perform the best solution to prevent this error code occurring in the future. It is not always possible to connect to the best technician and users start exploring the internet for some manual tutorial steps to solve this problem. If you are one among them then this post will help you solve this problem. In this post, we have listed all of the manual steps on How To fix McAfee Antivirus Error Code 1603, follow them accordingly or visit for further help.

Main Reasons for the McAfee Antivirus Error Code 1603:-

The possible cause and the most common cause for this error code is the broken MSI registration for MA. The ends and odds continue to persist in the registry from an older installation of MA. The earlier ones prevent the latest and new releases from getting configured properly. Furthermore, the MSI internal registry data and information from the McAfee Agent is absent of sync with the actual release of an agent that is currently being installed at that time.

Steps to solve McAfee Error Code 1603:-

As soon as this error code stuck your PC or laptop, both installation and upgrade attempts fail, no matter whether they are being attempted by a local or an ePO task of deployment. Again, it might be quite possible for the affected users to manually eradicate the Agent of McAfee. No matter you try to eradicate the agent, the issue does not solve the reason being subsequent installation attempts that always go unsuccessful. To solve this error code you must either follow some manual steps which are quite as discussed below in this blog or Contact McAfee Customer Care Helpline Number to talk to our expert technician for instant help.

Various Steps to Fix McAfee Error Code 1603:-

To solve the broken MSI registration for MA, you must follow these steps which are given below:-

Step 1: At first perform a full cleanup of MSI through an application downloaded from the internet.

Step 2: You must also erase the entry of MA from the MSI database located on the system of the user.

Step 3: If the problem did not solve in the first two steps, the other way out is to use an escalation tool in particular for removing a broken registration of MSI for MA. As the utility erases a broken registration of MSI, its use must be restricted to various computers or laptops that are affected by this particular problem only.

Step 4: If none of the steps to solve your McAfee error code 1603 problem then the last Effective Solution is to take an external help from McAfee Antivirus software program certified technicians. Contacting experts is the most effective way to deal with & to remove this bug of installation and its disastrous effects. All you require is to contact McAfee on McAfee Antivirus Tech Support Help number, which is available on our website.

Need Help? Contact McAfee Helpline Customer Support Number:-

If you are still not able to fix McAfee antivirus error code 1603 after following all above step by step guide, you can anytime contact us and talk to our customer care team of technical experts. Our qualified team has hands-on experience in solving all McAfee Antivirus software related errors either big or small. Our McAfee Antivirus personnel will first diagnose the main cause behind the errors occurring with your McAfee Antivirus software program and offer the best solution once the issue is completely diagnosed & confirmed. They will rectify it instantly by fully analyzing your PC or laptop. All you require to do is contact us on our Helpline number.

Robert Williams is a self-professed security expert; he has been making the people aware of the security threats. His passion is to write about Cybersecurity, malware, social engineering, Games,internet and new media. He writes for mcafee products at