If you encounter errors 1603 and 0x00000643 on your Windows 10 computer while trying to install or update your Google Chrome browser. Although most errors can be fixed by some simple troubleshooting steps, that is not the case for these two errors since they have pretty specific solutions.
To resolve errors 1603 and 0x00000643 on your Chrome browser, here are some solutions you need to check out.
Option 1 – Try to run Microsoft Install and Uninstall Troubleshooter
Running the Microsoft Install and Uninstall Troubleshooter could help you fix errors 1603 and 0x00000643 in Chrome as well as the following issue in your Windows 10 computer:
- Corrupted registry keys on 64-bit operating systems.
- Corrupted registry keys that control the updated data.
- Problems that:
- Prevent new programs from being installed.
- Prevent new programs from being installed.
- Problems that block you from uninstalling a program through Add or Remove Programs (or Programs and Features) in Control Panel.
To use the Microsoft Install and Uninstall Troubleshooter, refer to the given steps below.
- First, right-click on the downloaded MicrosoftProgram_Install_and_Uninstall.meta.diagcab file and run it with administrative privileges.
- Next, it will offer you two scenarios to troubleshoot namely, “Installing” or “Uninstalling” and you have to select Installing to resolve the current errors.
- After that, it will show you a list of available programs on your computer. From there, select Google Update Helper and then click Next.
- It will then start to troubleshoot the problem and will automatically apply the fixes for you. It will offer you to uninstall Chrome if it turns out that it’s the root cause of the problem.
- After that, you need to download Google Chrome again and then reinstall it.
Option 2 – Try to clean reinstall Chrome
There are instances when programs leave files behind after you’ve uninstalled them and the same thing can happen to Chrome so before you reinstall Chrome, you have to make sure that you have deleted the User Data folder. To do so, refer to the following steps:
- Hit the Win + R keys to open the Run dialog box.
- Next, type “%LOCALAPPDATA%GoogleChromeUser Data” in the field and hit Enter to open the User Data folder.
- From there, rename the default folder and name it something else, e.g. “Default.old”.
- After that, install Google Chrome again and check if the issue is now fixed.
Option 3 – Try running the Chrome Cleanup tool
You might want to run Google Chrome’s built-in Malware Scanner & Cleanup tool as it could also help in getting rid of any unwanted ads, pop-ups, and even malware, as well as unusual startup pages, toolbars, and anything else that might overtake the network and could affect the performance of the browser.
Option 4 – Try to run the Network Troubleshooter
- Open the Search bar on your computer and type in “troubleshoot” to open the Troubleshoot settings.
- Next, scroll down and select the “Network Adapter” option from the right pane.
- Then click on the Run Troubleshooter” button.
- After that, your computer will check for any possible errors and will pinpoint the root cause of the problem if possible.
Option 5 – Reset Chrome
Resetting Chrome can also help you fix the error. This means that you will be restoring its default settings, disabling all the extensions, add-ons, and themes. Aside from that, the content settings will be reset as well and the cookies, cache, and site data will also be deleted. To reset Chrome, here’s what you have to do:
- Open Google Chrome, then tap the Alt + F keys.
- After that, click on Settings.
- Next, scroll down until you see the Advanced option, once you see it, click on it.
- After clicking the Advanced option, go to the “Restore and clean up option and click on the “Restore settings to their original defaults” option to reset Google Chrome.
- Now restart Google Chrome.