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Fix problems installing Chrome

To troubleshoot Chrome installation, find your issue below and follow the steps.

Use an offline Google Chrome installer for Windows

If you can’t download Chrome, you can use offline installers.

  1. Select an installer for Chrome:
  2. Open the file.
  3. Follow the instructions to complete your installation.
  4. If you have issues installing, visit the Chrome Help Center.

After installing, Chrome will try to update when there’s a newer version.

If it doesn’t update automatically, follow the steps above to manually download newer versions of Chrome.

Check for Google Chrome releases.

Error 1603 and 0x00000643 on Windows

If you install an application for the first time and you get one of these errors, report this issue in the Chrome app’s Help Forum.

If you get an error after you install an app:

  1. Visit Microsoft Fix it.
  2. Click Download.
  3. Run the program.
  4. Follow the instructions to fix the problem.
Can't connect to the Internet on Windows

If you can’t connect because of firewall, anti-virus software, or proxy.

To fix, add the firewall, anti-virus software, or proxy to your security software's exceptions list. If you use Windows firewall, follow these steps:

  1. On your Windows taskbar, click Start and then Control Panel and then Windows Firewall.
  2. Select “Exceptions."
  3. Click Add Program and then Browse
  4. On the left, select My Computer.
  5. Click Local Disk (C:).
  6. Open Documents and Settings.
  7. Open the folder with your username.
  8. Click Local Settings and then Application Data and then Google and then Update.
  9. Select the folder with the highest number.
  10. Select “googleupdate.exe.”

If you use other firewall software, visit the software company’s website to learn how to add it to your exceptions list.

If you can’t connect because of unsupported proxy server

Check if you’re on a supported proxy:

  • Negotiate authentication scheme, including Kerberos and NTLM.
  • Proxies using “integrated authentication,” if the person is allowed to use that proxy.

The computer’s Background Intelligent Transfer Service (BITS) doesn’t start

Make sure BITS is turned on:

  1. In your Windows taskbar, click Start and then Settings and then Control Panel and then Administrative Tools and then Services.
  2. Select Background Intelligent Transfer Service.
  3. Click Background Intelligent Transfer Service and then Properties from the menu.
  4. In the “General” section, check if ”Startup” is set to ”Automatic” or ”Manual.” Make sure this setting is not disabled.

If you continue to have issues, check if you can edit C:\Documents and Settings\All Users\Application Data\Microsoft\Network\Downloader\

To get edit access:

  1. Right-click the folder.
  2. Select Properties.
  3. In ‘General," check "Read-only."
  4. Click OK.

If you can’t check the box, contact your system administrator.

Can't find installer application on Windows

To fix this issue:

  1. On your Windows taskbar, click Start and then Run
  2. In the "Run" window, enter regedit.
  3. Click OK.
  4. In the "Registry Editor" window, open: HKEY_LOCAL_MACHINE\SOFTWARE\Google\Update\Clients\.
  5. In the "Registry Editor" window, open: HKEY_CURRENT_USER\SOFTWARE\Google\Update\Clients\.
  6. Right-click {430FD4D0-B729-4F61-AA34-91526481799D}.
  7. In the menu, select Delete.
  8. Close "Registry Editor."
  9. Install the application again.

If you need help, contact your system administrator.

Error 0x80070070 on Windows

Your system disk is full. To fix, free up space on your system disk (usually disk C).

Stop GoogleCrashHandler.exe from running on Windows

GoogleCrashHandler.exe sends information about crashes to Google when they affect your Google applications.

If you don’t want to send crash information to Google, turn off the sending of usage statistics for your computer.

Check the application’s Help Center for more information.

Installation failed because your version of Windows is not supported

If you get the “OS not supported” error, it may be because Installer does not support your operating system.

Check if your operating system is currently supported.

Google Chrome is already installed for all users on your Windows computer

Your computer already has Google Chrome installed. The version of Chrome that you already have will launch.

If you want to use a different version of Chrome, uninstall Google Chrome and then download and install it again.

Can't install because you're not an administrator on Windows

To check if you're an administrator:

  1. On your Windows taskbar, click Start and then Run.
  2. Enter: control userpasswords2
  3. Click OK.
  4. Check if your username has the “Administrators Group.”

To get administrator access, contact your system administrator.

Can't install

If you get an error while installing or updating your application, here's how to get help:

Error 4, 7, 12, 13, 31, 35, 57, 102, or 103

If you're having problems installing Chrome on your computer, you may see the following errors:

  • Error 4: A newer version of Chrome is already present on the computer.
  • Errors 7, 12, 13, 35, 57, 102, 103: The install failed for unknown reasons.
  • Error 31: Could not re-install Chrome.

Try the possible fixes below.

Step 1: Check if your computer hard drive has enough space

You might run into a problem if there's not enough space on your computer for Chrome.

  1. Clear up hard drive space by deleting unnecessary files, such as temporary files, browser cache files, or old documents and programs.
  2. Download Chrome again from
  3. Try reinstalling.

Step 2: Turn off your antivirus software

Some antivirus software can prevent Google Chrome from installing on the computer.

  1. Turn off your antivirus software.
  2. Download Chrome again from
  3. Try reinstalling.
  4. Turn your antivirus software back on.

If you can't install Google Chrome with your antivirus software turned off, you might need to upgrade your antivirus software.

Step 3: Download Chrome again

It's possible that you deleted the update and installation assistant.

  1. Make sure you meet the system requirements.
  2. Download Chrome again from
  3. Try reinstalling.

If your computer doesn't let you to complete these steps, then you'll need to contact the person who has administrator rights to your computer to complete the Chrome update.


Still not working? Get more help on the Chrome Help Forum. Or, learn how to fix problems updating Chrome.

Megan is a Google Chrome expert and the author of this help page. Help her improve this article by leaving feedback below.

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