Error "Invalid Signature" while downloading programs.

Original Title: download problems

Hi, I have searched the forums and tried the answers previously given for downloading problems. I have done a clean boot and a restore but I am still having problems with all dowloads, microsoft updates, itunes, everything. I have also turned my security off and this doesn't work. Any help would be much appreciated!

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Answer

Shinmila H

Hi curesma,

Which browser do you use to download the videos?

In Internet Explorer (IE), there is an option to enable software to download even if they don't have valid signature.

Method 1:

If you're facing this problem in IE, follow the steps given below.

a. Open Internet Explorer.

b. Go to Tools > Options.

c. Click on "Advanced" tab.

d. Scroll down to the Security section, check the Allow software to run or install even if the signature is invalid box.

e. Click the Apply button, and then click the OK button.

After configuring the above setting, try performing the download again. See if there's any go.

Here is a Knowledge Base article from Microsoft that talks about the error message provided by you.

You cannot install some updates or programs

http://support.microsoft.com/?id=822798

Method 2:

See if you can download successfully in Safe Mode with Networking.

Note that you cannot access internet with wireless connection in this mode.

Refer the steps from:

Start your computer in safe mode

http://windows.microsoft.com/en-US/windows7/Start-your-computer-in-safe-mode

Advanced startup options (including safe mode)

http://windows.microsoft.com/en-us/windows7/Advanced-startup-options-including-safe-mode

Ensure that you log off from safe mode with networking once you're through with the troubleshooting.

Regards,

Shinmila H - Microsoft Support

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