How to fix Avast Antivirus Error 42139

1
How to fix Avast Antivirus Error 42139
2
Repair Registry Entries Associated with Error
42139

• First of all, you need to click the Start
  button.
• In the search box, type "command."
• Hold down the CTRL-Shift on your keyboard, and
  then hit ENTER.

3

• Here, you will be prompted with a permission
  dialog box, click Yes for further preference.
• Now, you will see a black box with a blinking
  cursor.
• Next, type "regedit" and hit ENTER.

4

• Select Export from the File menu
• Select the folder where you want to save the
  Avast backup key in the save list.
• Type a name for your backup file, in the File
  Name box.

5

• Now, make sure that the Selected branch is
  selected and then click Save.
• The file is then saved with a .reg file
  extension.
• Finally, you will have a backup of your Avast!
  Antivirus-related registry entry.

6
(No Transcript)