Closing Background Applications

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Third-party programs running in the background can interfere with our games. Follow the steps below to temporarily disable these programs and eliminate them as the source of the problem.

Select your operating system.

Windows XP

Before trying the steps below, close unnecessary programs and restart your computer.

Selective Startup

  1. Press Windows Key+R.
  2. Type msconfig and press Enter.
  3. Select Selective startup and uncheck Load startup items.
  4. Select the Services tab.
  5. Check Hide all Microsoft services.
  6. Click Disable all.
  7. Click Apply then click OK.
  8. Click Restart.

Note: Selective Startup may disable firewall and security software. After you are finished testing, reenable your security software.

Identify Problematic System Services

  1. Press Windows Key+R.
  2. Type msconfig and press Enter.
  3. Select the Services tab.
  4. Check Hide all Microsoft services.
  5. Click Disable all.
  6. Check the first system service and restart your computer.
  7. If the problem doesn't reoccur, check the next service on the list and restart your computer. Repeat this process until you find the problematic service.

If you cannot reproduce the problem, you can eliminate System Services as the cause of the problem.

Identify Problematic Startup Items

  1. Press Windows Key+R.
  2. Type msconfig and press Enter.
  3. Check Load startup items.
  4. Select the Startup tab.
  5. Click Disable all.
  6. Check the first startup item and restart your computer.
  7. If the problem doesn't reoccur, check the next startup item on the list and restart your computer. Repeat this process until you find the problematic service.

Windows Vista

Before trying the steps below, close unnecessary programs and restart your computer.

Selective Startup

  1. Press Windows Key+R.
  2. Type msconfig and press Enter.
  3. Select Selective startup and uncheck Load startup items.
  4. Select the Services tab.
  5. Check Hide all Microsoft services.
  6. Click Disable all.
  7. Click Apply then click OK.
  8. Click Restart.

Note: Selective Startup may disable firewall and security software. After you are finished testing, reenable your security software.

Identify Problematic System Services

  1. Press Windows Key+R.
  2. Type msconfig and press Enter.
  3. Select the Services tab.
  4. Check Hide all Microsoft services.
  5. Click Disable all.
  6. Check the first system service and restart your computer.
  7. If the problem doesn't reoccur, check the next service on the list and restart your computer. Repeat this process until you find the problematic service.

If you cannot reproduce the problem, you can eliminate System Services as the cause of the problem.

Identify Problematic Startup Items

  1. Press Windows Key+R.
  2. Type msconfig and press Enter.
  3. Check Load startup items.
  4. Select the Startup tab.
  5. Click Disable all.
  6. Check the first startup item and restart your computer.
  7. If the problem doesn't reoccur, check the next startup item on the list and restart your computer. Repeat this process until you find the problematic service.

Windows 7

Before trying the steps below, close unnecessary programs and restart your computer.

Selective Startup

  1. Press Windows Key+R.
  2. Type msconfig and press Enter.
  3. Select Selective startup and uncheck Load startup items.
  4. Select the Services tab.
  5. Check Hide all Microsoft services.
  6. Click Disable all.
  7. Click Apply then click OK.
  8. Click Restart.

Note: Selective Startup may disable firewall and security software. After you are finished testing, reenable your security software.

Identify Problematic System Services

  1. Press Windows Key+R.
  2. Type msconfig and press Enter.
  3. Select the Services tab.
  4. Check Hide all Microsoft services.
  5. Click Disable all.
  6. Check the first system service and restart your computer.
  7. If the problem doesn't reoccur, check the next service on the list and restart your computer. Repeat this process until you find the problematic service.

If you cannot reproduce the problem, you can eliminate System Services as the cause of the problem.

Identify Problematic Startup Items

  1. Press Windows Key+R.
  2. Type msconfig and press Enter.
  3. Check Load startup items.
  4. Select the Startup tab.
  5. Click Disable all.
  6. Check the first startup item and restart your computer.
  7. If the problem doesn't reoccur, check the next startup item on the list and restart your computer. Repeat this process until you find the problematic service.

Windows 8 and Windows 8.1

Before trying the steps below, close unnecessary programs and restart your computer.

Identify Problematic System Services

  1. Press Windows Key+R.
  2. Type msconfig and press Enter.
  3. Select the Services tab.
  4. Check Hide all Microsoft services.
  5. Click Disable all.
  6. Check the first system service and restart your computer.
  7. If the problem doesn't reoccur, check the next service on the list and restart your computer. Repeat this process until you find the problematic service.

If you cannot reproduce the problem, you can eliminate System Services as the cause of the problem.

Identify Problematic Startup Items

  1. Press Ctrl+Shift+Esc to open the Task Manager.
  2. Select the Startup tab.
  3. Close out applications one at a time then try to start the game after each one. You may have to restart your computer to apply these changes.

Windows 10

Before trying the steps below, close unnecessary programs and restart your computer.

Identify Problematic System Services

  1. Press Windows Key+R.
  2. Type msconfig and press Enter.
  3. Select the Services tab.
  4. Check Hide all Microsoft services.
  5. Click Disable all.
  6. Check the first system service and restart your computer.
  7. If the problem doesn't reoccur, check the next service on the list and restart your computer. Repeat this process until you find the problematic service.

If you cannot reproduce the problem, you can eliminate System Services as the cause of the problem.

Identify Problematic Startup Items

  1. Press Ctrl+Shift+Esc to open the Task Manager.
  2. Click More Details.
  3. Select the Startup tab.
  4. Close out applications one at a time then try to start the game after each one. You may have to restart your computer to apply these changes.

Mac

Temporarily Disabling Login Items

  1. Restart the computer.
  2. If you see the login window: Hold Shift, click the Log In button, then release Shift when you see the Dock.
  3. If you don’t see the login window: Start your computer, hold down Shift when you see the progress bar in the startup window, then release Shift after your desktop appears.

Identifying Problematic Login Items

If you want to identify the problematic login item, follow these steps:

  1. Open System Preferences and click Users & Groups.
  2. Click your account’s name, then click Login Items.
    Note: Make a list of the login items—you’ll need to remember them later.
  3. Select all items and click Delete (-).
  4. Restart your computer.
  5. Open Users & Groups again and add the login items one at a time, restarting your computer after each one, until the issue occurs again.

When you’ve found the problematic item, repeat steps 1-3 but only delete the problematic item. Contact the manufacturer for further assistance.

Tried everything here?

If you tried all the steps for your operating system and still need assistance, please visit our Technical Support Forum (World of Warcraft) (StarCraft II) (Diablo III) (Hearthstone) (Heroes of the Storm) or contact us.

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