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How to Fix Problem - 621 Cannot Open The Phone Book File?
Takara Jul. 14th, 2015
Are you experiencing Error 621 Cannot Open The Phone Book File? Well...you are not alone.
Item Info
Error Codes 621 Cannot Open The Phone Book File
Recommended Download 621 Cannot Open The Phone Book File Error Fixer
File version 5.2
Size 4.5MB
Speed Up Your PC Free Performance Scan

621 Cannot Open The Phone Book File Error? What Should I Do?

This error 621 Cannot Open The Phone Book File popped up ater I ran Firefox. Sometimes I also got blue screen error 0x00000008 IRQL_NOT_DISPATCH_LEVEL. my computer has always been good. Can someone help me?

- Juliet Reinhold

621 Cannot Open The Phone Book File Error Again? What is Wrong with My Computer?

"621 Cannot Open The Phone Book File" appears and crashes the active program window.

"The MACHINE_CHECK_EXCEPTION bug check has a value of 621 Cannot Open The Phone Book File. This bug check indicates that a fatal machine check exception has occurred." came up.

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How to Fix 621 Cannot Open The Phone Book File Error?

Open Action Center by clicking the Start button Picture of the Start button, clicking Control Panel, and then, under System and Security, clicking Review your computer's status.

Update and run your antivirus software. Windows doesn't come with antivirus software, but Action Center can often monitor the antivirus software that you or your computer manufacturer have installed.

Windows Trouble Shooter to Fix Error 621 Cannot Open The Phone Book File

  • ress and hold the "Windows" button and the "W" button.
  • In the search dialog box write the following: "troubleshooting" without the quotes.
  • Left click or tap on the "Troubleshooting" feature after the search has finished.
  • In the upper left side of the window left click or tap on the "View All" option.
  • Now find and left click or tap on the "Windows Update troubleshooter" feature.
  • From here you only need to follow the instructions on the screen and finish the troubleshooting process.
  • After you are done with the troubleshooting process reboot your Windows 10 operating system.
  • Check again if you still get the error 621 Cannot Open The Phone Book File.

How to Fix 621 Cannot Open The Phone Book File Error with SmartPCFixer?

1. Click the button to download Error Fixer . Install it on your computer.  Run it, and it will scan your system. The junk files will be shown in the scan result.

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2. After the scan is finished, you can see the errors and problems which need to be repaired.

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3. When the Fixing part is finished, your computer has been speeded up and the errors have been fixed

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Tagged: 621 Cannot Open The Phone Book File, How to fix error 621 Cannot Open The Phone Book File

Comments (9)

What People Say: (About 621 Cannot Open The Phone Book File)

Vielen Dank für Ihre große technische Unterstützung bei der Festsetzung von 621 Cannot Open The Phone Book File fehlt Fehler auf meinem pc.

by Shawn Watts Jul.15th

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