Error 646 - cannot update windows

[Well-Tech]

Hello,
It's three days soon as Windows is no longer able to download the updates. Here is the message that appears: Code 646 windows update Encountered an unknown error. Can you please help me with this. Thank you

Noe: I am currently using windows vista.

[Maya Angelou]

Good thing to do when the updates will not install, stop the service update
For this right click on computer> manage> search services and applications> services and then at the bottom of the search windows update service and stop the service keep this window in the hand by minimizing

- go to computer> windows and locate the Software Distribution folder and rename softwareDistribution1

- restart the update service days there windows recreates a new Software Distribution folder everything clean.

- close everything and go back to windows update to see if updates are willing to settle.
Normally most problems

These problems caused when windows stops downloads in the background of the updates and the PC is shut down during these downloads. The record is Software Distribution file downloads Update.

[IngaleJI]

I tried to help a friend who has the same problem, I wanted to change the name of the file, but it says my access is denied. However, it has all the administrative rights? Should I give him create another user account, is it going to change anything? At least I do not think so. Perhaps in safe mode then?

[afidelino]

When you start the computer the computer asks you to log you fit a password, you are the administrator or logs you in as guest? If you are logged in as a guest then the update will not take place as you do not have the required rights to update the system and if you are logged in as the administrator then you can surely update the system.

[Jensen Ackles]

I found some information concerning the problem. You can get around the problem by downloading the update directly on the Microsoft website (without using windows update)

it seems that the correct method is as follows:
1 - go to the Control Panel and click on windows update
2 - click on "view history updates" and note the numbers of updates (KBxxxxxx) defeated
3 - go to the website of microsoft
4 - in the search box, type the number of update (KBxxxxxx)
WARNING This page contains two areas of research - Use of the Download Center
5 - if multiple downloads are available, choose from the list to make it then click on download and follow the instructions

[Trini Alvarado]

What I found was a workaround. What you propose us is a solution. I did what you suggested and I look forward to future updates. My apologies for the virulence of my speech. I was a bit upset to see me face this problem and unfortunately we often meet people like him on the forums who speak without looking at the question or the details given.

[pixelbob]

Please do some research first before you post a topic. There is an existing post about this issue. Solution for 646

[irry]

Ok, I need a lot of help.
I have a problem with my excel. I taped a formula in two sheets and after that, whenever I wrote something in the sheet from where I extracted the data, my PC would restart. Just by pressing ENTER

I did this morning everything from Maya Angelou's advice and after that it worked. How can I repeat the procedure?

Now I have two files in computer> windows > Software Distribution folder, one Software Distribution and one software Distribution1. Which one should be modified or what should I do next?

PLEASEEE HELP!!!!! Thanks a lot!