Windows defender update 0x80070006

The problem lies in corrupted registry settings for the program. If you have a similar problem to mine Defender in Vista seemingly installed, but getting a "can't initialize" error , try the following originally posted here by cdninja. Click Start, type "regedit" without quotation marks in the search bar and press Enter.

In the Save In list, select the folder where you want to save the backup. In the File Name box, and type a name for your backup file, such as "Options" or "Backup". Choose Yes when you are prompted to create a new file. Copy the following texts between the star marks and then paste them into the opened Notepad window:.

Windows Registry Editor Version 5. After you paste the above commands, please close the Notepad window. Choose Yes when you are prompted to save the file. Save the file as a REG file of any type defenderfix.

When you receive a message box asking "Are you sure you want to add the information in the REG file to the registry", choose "Yes". You will receive another message box saying "Information in the REG file has been successfully entered into the registry", please click "OK" to confirm. Worked like a charm! My system is a new install of bit Vista Ultimate. Defender used to work, but then my entire WinDefend registry key went missing.

I exported the WinDefend key from a working bit Vista Ultimate box to compare to your text as a santity check, and they were identical. After importing it on the broken machine and rebooting, Defender works again. Thanks for saving me from the Vista reinstall that the MS KB article says is needed to fix the problem. I have the same problem.

This is how it occured. There was a Windows system update and i guess it updated about 18 or 19 updates. After the reboot. I noticed that the Adobe Acrobat crashed with VB visualization error. Then i noticed that all my startup programs were missing. I rebooted several times, and the first error of several, would be 0xba.

I have tried every possible google thread out there. But can't do anything. Any help.. I know my Windows defender has gone corrupt because of those updates.

It works for me once after I've done it and restart. The next restart the error is back again. I have to repeat the same process in order to not have the error. Is it we have to do it every time?? Settled the problem. Just to add extra information. Thanks for the help! I can't save the file as a.

It's only giving me the option of a txt. Defender was broken after a malware attack. I fixed the malware issue, but now I'm cleaning up everything it broke. The registry fix got Defender back for me.

Great post. Thanks a lot! I had the same situation, that stupid "Vista Antivirus " malware program screwed up windows defender. I tried fixing my registry and either erased windows defender registry keys, or they were corrupted by the virus. So far so good Nibbish :. Thank you so much for sharing your knowledge about this. I stumbled here because I got some trojan or virus called Total Vista Security installed onto my laptop without my permission.

And i removed it with Malwarebytes, but after it rebooted I got the 0x error about windows defender And every single time I searched for help on this issue people were saying you must reinstall windows. I have no time for that Thank you once again!! Thanks : This looks to have worked a treat. As with others above defender seemed to be knackered after a removing some mailware using Malwarebytes amongst some other bits and bobs. Thanks, so much! Thanks for writing this guide and posting it, i had the fake windows security center virus on my computer i managed to get rid of it but it corrupted my windows defender files and i could not run windows defender, but now after following these instructions i can, Thanks again for posting this guide.

Thank so much! Had a corrupted registry due to a Vista -spyware virus, and this fixed my defender after I removed the virus. Couldn'tve done it without you!!! Thanks for that. Tried lots of different scans to no avail.

Am very grateful. This appears to have solved the aches and pains of this long weekend! Many thanks for sharing the fix :. MS only two choices, restore or reinstall, were not much help.

Your post fixed the issue after a malware attach and took only a few minutes to complete. Very much appreciate the post. That works perfectly! I got problems with Defender after removing a tons of trojans and spyware with Malwarebyte. Now seems to be fixed, thank you very much :D. When I double click on the defenderfix. What am I doing wrong? I saved defenderfix. Running Vista Ultimate. Please advise. Thanks so much, it worked perfectly!

I had that problem for a month now, and this is the only place where I found a solution that didn't involved desinstalling and reinstalling Defender. Hi, thanks for this it fixed my windows defender problem. However, I'm now getting an error relating to unauthorized changes to windows. Error: 0xCD Is this anything be be concerned about or is this just because I've changed the registry?

My Vista Business having problem on registry corruption after unknown failure on windows updates. When I restarted I got the same error message. This process might also address problems with automatic updates. Microsoft Defender Antivirus and other Microsoft antimalware solutions provide a way to manually trigger an update. Enterprise administrators can also push updates to devices in their network.

To clear the current cache and trigger an update, use a batch script that runs the following commands as an administrator:. Manually download the update. Latest security intelligence update. You need to download different security intelligence files for different products and platforms. Select the version that matches your Windows operating system or the environment where you will apply the update.

The links point to an executable file named mpam-fe. Simply launch the file to manually install the latest security intelligence. I said to myselft, ahh my reference image is bad So Thursday night feb 4th I took the Same ISO, install a new VM, and this time I joined it to my domain first things, loaded AV as we run in the company, placed the vm in the right OU like any other server VMs, make it like a real machine to rule out my network policy etc.

Then I reboot, Look up again, all is fine reports system fully up to date. I'm pretty confidant now that I can reproduce this error again and again Why do I run that Now why I do that on the vm installed from ISO, i wanted to test what operation could be triggering that error Could it be a root cause with one of the latest windows update??? I'm willing to retry another time from scratch because I'm now at a point that I have no more ideas Attachments: Up to 10 attachments including images can be used with a maximum of 3.

Hi, Thank you for your detailed description. Reference: chkdsk. You could also try the following to see if this issue persists: Boot to the Recovery Console Select Advanced options. Select Command Prompt from the list of actions.