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This blog features the McAfee Error Code 1603, generally known as the Installation Success error 1603. It is also described as the runtime code 1603. McAfee Error Code 1603 occurs when the McAfee Virus Scan crashes or fails whilst it is running. It does not essentially mean that the code was damaged in a few ways, but just that it did not work at the time of its run-time. This type of error will come as an annoying notification on your display unless handled and corrected.

McAfee Error Code 1603 is a normal Windows problem that means the Sync installer failed to run. People often know the McAfee Error 1603 as a runtime error 1603 or runtime code 1603. Given below are some symptoms, causes, and ways to solve the problem.

Symptoms Of McAfee Error Code 1603

McAfee Error Code 1603 occurs without warning. The error code message can appear on the screen anytime McAfee Virus Scan is run. In fact, the code error message or a few other dialogue boxes can appear again and again if not addressed early on. There may be instances of new files appearing or files deletion. Though this type of symptom is largely due to malware or virus infection, it can be attributed as a symptom of McAfee Error Code 1603, as virus infection is one of the causes of this error. The user of this antivirus may also experience a sudden drop in internet connectivity speed; yet again, this is not always the case.

Causes Of McAfee Error Code 1603

During the internet software design, programmers code anticipating the occurrence of errors. However, there are no excellent designs, as errors can be expected even with the perfect program design. Errors can occur at runtime if a certain issue is not experienced and found during design and testing.

This Runtime error 1603 (or McAfee Error Code 1603) is commonly caused by incompatible programs running at the same time. It may also happen because of memory issues, a corrupt graphics driver, or a virus infection. Whether the matter may be, the issue must be solved immediately to avoid further issues. Given below the ways to solve the McAfee Error Code 1603 easily.

6 Methods To Solve The McAfee Error Code 1603

McAfee Error Code 1603 may be annoying and persistent, but it is not completely hopeless. Repair methods are available. Mention below the ways to resolve the McAfee Error Code 1603 very easily.

Method 1 – Reinstall / Update Conflicting Programs

Using Control Panel

  1. For Windows 7, press the Start Button, then go to the Control Panel and then Uninstall a program.
  2. For Windows 8, press the Start Button, then jump down and press More Settings, and then press Control panel > Uninstall a program.
  3. For Windows 10, you just have to go to the Control Panel on the search box and press the result, and after that, press uninstalls a program.
  4. And after inside Programs and Features, press the issue program and press Update or Uninstall.
  5. If you select to update, then you will just require to go through the prompt to complete the process. You will follow the prompt to uninstall and, after that, re-download or utilize the program’s installation disk to reinstall the application.

Using Other Methods

  1. For Windows 7, you may discover the list of all installed applications when you tap on the Start and move your mouse over the list that shows on the tab. You may see on that given list utility for uninstalling the application. You may go forward and uninstall utilizing the utilities available in this tab.
  2. For Windows 10, you may tap on the Start button, then Settings, then select Apps.
  3. Move down to see the given list of applications and features which is installed on your PC.
  4. And then, press the program which is causing the McAfee Error Code 1603, and then you may select to uninstall or press Advanced choices to reset the program.

Method 2 – Close Conflicting Programs

Whenever you get this McAfee Error Code 1603 on your system, keep in mind that it is occurring due to applications or programs that are opposing each other. The very first step that you have to take is to stop these conflicting applications.

  1. Move to the Task Manager by clicking the Ctrl + Alt + Del at the same time. This will show you the list of applications recently running on your system.
  2. Go to the Processes tab and close the applications one by one by highlighting each application and pressing the End Process button.
  3. You will be required to observe if the McAfee Error Code 1603 message will reappear each time you stop an operation.
  4. After knowing which application is causing this McAfee Error Code 1603, you may go ahead with the next troubleshooting step, reinstall the program.

Method 3 – Run Disk Cleanup

You might also be having McAfee Error Code 1603 because of a very low free space on your system.

  1. Firstly, you have to back up your files and folders; after that, free up space on your hard drive.
  2. And then, you can also reboot your system and clear your cache
  3. You can also run Disk Cleanup, move to your explorer window, and right press your primary directory
  4. Press Properties, and after that, press Disk Cleanup.

Method 4 – Re-install Runtime Libraries

You might be having the McAfee Error Code 1603 because of an update, such as the MS Visual C++ package, which might not be installed completely or appropriately.  And after that, uninstall the package and install a fresh copy.

  1. Firstly, uninstall the package by going to the Programs and Features, discover and highlight the Microsoft C++ Redistributable Package.
  2. After that, press Uninstall on top of the given list, and when it is completed, reboot your system.
  3. Now, download the newest redistributable package from Microsoft, then install it.

Method 5 – Update your Malware protection program / Download and install the newest Windows Update

Malware or virus infection causing the McAfee Error Code 1603 on your computer system must immediately be prevented, deleted, or quarantined. Ensure you update your malware or virus program and run a thorough scan of the system or run a Windows update so you can easily get the newest virus definition and solve it.

Method 6 – Reinstall Your Graphics Driver

If the McAfee Error Code 1603 is related to a corrupt graphics driver, then you may do the following:

  1. Go to your Device Manager, and adjust the graphics driver.
  2. Right press the video card driver; after that, press, uninstalls, then restart your system.

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