How to fix incredimail error 421

 "Error 421" appears and crashes the active program   



window.

Your PC often crashes with error 421 when running a single program.

"421 service is not available" is displayed.

Windows runs sluggishly and gives a slow response to the mouse or keyboard input.

Your computer "freeze" from time to time for a few seconds.

ď‚— These 421 error messages may appear during the

program installation, while software programs related to a Pioneer Network Limited are running, during Windows startup or shutdown, or even during the installation of Windows operating system as well.

Keeping track of where and when your 421 error occurs is an important part of the problem solving problem.

 Corrupt download or incomplete installation of 

 

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IncrediMail software Corruption in Windows Registry from Recently IncrediMail related software changes (install or uninstall) Virus or malware infections that have infected Windows system files or IncrediMail-related program files.

Another program maliciously removed the files related to IncrediMail or accidentally.

Runtime errors such as "Error 421" may be due to various factors, so it is important that you prevent every possible cause to prevent recurrence.

Below is a list of troubleshooting steps to solve your problem 421 issues. These troubleshooting steps are progressively more difficult and time consuming, so we strongly recommend trying in ascending order to avoid unnecessary time and effort.

Repair Registry Entries Affiliate with Error 421

Manually edit the Windows registry is not recommended to remove an invalid error 421 key unless you are a PC service professional. Writing your registry incorrectly can prevent your PC from working and irreversible damage to your operating system. In fact, a wrong transfered comma could prevent your PC from booting completely.

To manually modify your Windows registry, you must first create a backup by exporting a part of the registry related to Error 421:

 Go to the Start button.  Type "command" in the search box DO

    

NOT hit ENTER yet Holding the CTRL-Shift on your keyboard, press ENTER. You will be prompted with a permission dialog box.

Click on Yes. A black box will open with a blinking cursor (Dialog box).

Type in "regedit" and hit ENTER button.

 In the Registry Editor, select the Error 421-related key

you want to back up.  From the File Menu, choose Export option.  In the Save list, Choose folder where you want to save the IncrediMail backup key.  Go to the File Name box, write a name for your backup file, as for example "IncrediMail Backup".

 In the Export Range box, keep in mind that "Selected

branch" is selected or not.  Click the Save.  The file will save with a .reg file extension.  Now you have a backup of your IncrediMail-related registry entry.

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