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Windows 7: Cannot turn WIndows Update on

26 Aug 2011   #1

Windows 7 32-bit
Cannot turn WIndows Update on


I am using Windows 7 (duh) 64 bit, and somehow, and sometime, Windows Update got turned off. Now I cannot turn it back on. I change the settings to "let me know when there's updates and I'll choose whatever I like...", hit OK, and then... nothing. It's still of.
It's been like that for weeks, no matter the restarts or the specific setting I choose (I even tried the Recommended setting).

I suspected it's a virus or whatever, but Avast, MalwareBytes and Spybot all found nothing.

What else can I try?
My System SpecsSystem Spec
26 Aug 2011   #2

MS Windows 7 Ultimate SP1 64-bit


Scroll the list and scroll the list to Windows Update.

Make sure that the service is started and set to automatic(delayed start)

Take a look at this snip:
Cannot turn WIndows Update on-windows-update-service.png

My System SpecsSystem Spec
26 Aug 2011   #3

Windows 7 32-bit

It's already set to that option, but it's not running, and attempts to run it have failed (access denied, error no. 5). I am the administrator, btw.
My System SpecsSystem Spec

26 Aug 2011   #4

Windows 7 Ultimate x64

Navigate to this registry key by typing "regedit" without quotes in the search box and hitting enter:


Right click on the wuauserv folder in the left pane and click on permissions then set yourusername to have full control permissions like in the screenshot below:

Attached Thumbnails
Cannot turn WIndows Update on-8-26-2011-8-55-11-am.png  
My System SpecsSystem Spec
26 Aug 2011   #5

Windows 7 32-bit

Thanks, but that didn't help. Same problem as before. BTW, are you using Windows 7 as well? If yes, I'd like to know a bit about your theme.
My System SpecsSystem Spec
26 Aug 2011   #6

MS Windows 7 Ultimate SP1 64-bit


Do you have a system restore point from before this problem:

Check the Choose a different restore point radio button | NEXT |
Check Show more restore points (lower-left) |
Select the desired restore point |
Scan for Affected Programs button | note the affected programs |

WIN is the key with wavy Microsoft flag on top.
My System SpecsSystem Spec
26 Aug 2011   #7

MS Windows 7 Ultimate SP1 64-bit


There is the possibility that you have a rootkit infection.

Please execute a FULL SCAN using the Microsoft Standalone System Sweeper.


System Sweeper,, allows you to start an infected PC and perform an offline scan to identify and remove viruses, rootkits and other advanced malware. System Sweeper is a free standalone, bootable malware and virus remover from Microsoft.

Safety Scanner, Microsoft Safety Scanner - Antivirus | Remove Spyware, Malware, Viruses Free, is free, downloadable, provides on-demand scanning and helps remove viruses, spyware, and other malicious software. It works with your existing antivirus software.

If the target computer has a working internet connection, then you may prefer to use the Safety Scanner.

Download System Sweeper (about 576 kB):

Insert 256 MB or larger USB stick into a usb port.

Run the downloaded program--mssstool64.exe or mssstool32.exe

Choose the option to install to USB.
Caution: The install program will format the usb stick.

The install program will download about 200 mB more.

After the install is finished, leave the stick in the usb slot.

Run the program you downloaded once again.

This 2nd run, and any subsequent runs, will download the very latest anti-virus definitions (about 60 mB).

To keep System Sweeper up-to-date, simply reinsert the usb stick and run the installation program, mssstool64.exe or mssstool32.exe, again.

The initial, full scan by System Sweeper can easily take several hours, but subsequent quick scans will be shorter.

Remember, your computer is being very thoroughly checked for all types of malware.

The results of System Sweeper will be in:
\Windows\Standalone System Sweeper\Support as one or more files with a LOG extension which can be viewed with Notepad.
My System SpecsSystem Spec
27 Aug 2011   #8

Windows 7 32-bit

I'm not sure Windows Restore is even enabled, since I never use it. I'll run the Sweeper utility later.
My System SpecsSystem Spec
27 Aug 2011   #9

MS Windows 7 Ultimate SP1 64-bit

System Restore is always enabled unless you took other steps.

Fortunately, Win7 creates restore points before such things as updates.

You have with a high probability a root kit infection.

Run the Microsoft Standalone System Sweper now.
My System SpecsSystem Spec
28 Aug 2011   #10

Windows 7 32-bit

I cannot boot the USB stick. I have four boot-USB options, none of which worked:

The third option, USB-CDROM, shows the "Boot CD/DVD..." message, but it doesn't go beyond that.
My System SpecsSystem Spec

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