Error code 0x80070002 appear generally when some files in the windows update are missing, even though the update is downloaded the extracted successfully. Some time this error code 0x80070002 message comes license-checking issue after upgrade window operating system on Dell Computer, also this at the time logon on window.
Title: Microsoft Security Client
Error Message: An error has occurred in the program during initialization. if this problem continues, please contact your system administrator. Error code: 0x80070002
Fix Error Code 0x80070002
Method 1: (When Error due to update)
If you getting this error code 0x80070002 after update your windows follow this step will fix your problem.
Step 1: Download “Windows Update Troubleshooter” from here.
Step 2: Install/Run the “Windows Update Troubleshooter” after download.
Step 3: Install Windows Update again.
Step 4: Check whether the problem is fixed.
Same steps is applicable for Windows 8.1, Windows 8, Windows 7, Windows Vista or Windows XP.
Method 2: (Error at Logon)
If you getting this error code 0x80070002 when logon your windows follow this step will fix your problem.
Step 1: Open the registry editor (Start | Run | Type: regedit.exe | Press enter).
Step 2: Expand the left-hand tree panel to the following key:
Step 3: Ensure the ‘Run’ key is selected on the left and in the right-hand panel locate the ‘MSC’ data value.
Step 4: Right-click the MSC value and click delete.