Fix Of Error Code Oxc000021a Occurring At The Time Of Installation Of Windows 10

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I purchased a new laptop with Windows 10 installed on it, but now it’s not starting but giving this ‘error code oxc000021a’. How can I fix this error code?

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Answered By 60 points N/A #321821

Fix Of Error Code Oxc000021a Occurring At The Time Of Installation Of Windows 10

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This error is generally caused because of some recent changes made by you on your laptop. Follow the steps mentioned below to fix this ‘error code oxc000021a’-

  • Boot from the Windows 10 DVD.
  • Select ‘Repair your computer.’
  • Click on ‘Troubleshoot.’
  • Now, select ‘Advanced Options.’
  • Click on ‘Safe Mode.’

Now check whether the error is gone. If still present, follow the steps given below-

  • Press Window key and R key together.
  • Type ‘MSCONFIG’ in run command box.
  • Select ‘Boot’ and uncheck ‘Safe Boot.’
  • Now, select ‘Selective startup’ on the ‘General’ tab.
  • Clear the Load startup items checkbox.
  • Select ‘Hide all Microsoft services’ checkbox on the ‘Services’ tab.
  • Click ‘Open task manager’ on the ‘Startup’ tab.
  • Now select each item that is enabled and select ‘Disable.’
  • Select ‘OK.’
  • Now, again type ‘MSCONFIG’ in run command box.
  • Select the Service tab and select the Hide all Microsoft services checkbox.
  • Select half checkboxes.
  • Now, click on ‘OK.’
  • Restart your PC.

Check that either error is still present or gone. Now select the remaining checkboxes and again restart your PC.

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