using "Microsoft Security Essentials". Latest update ( KB2691905), after restart delets program. Am I doing something wrong?
Computer OS: Windows Vista
System Restore everything comes back fine until I update again.
Do you have KB2691905 installed now?
You can install it again. This time if it removes Microsoft Security Essentials, then please Download Microsoft Security Essentials. Click a "Windows Version" download drop down to choose correct version for Vista.
You should be able to reinstall security essentials after that KB2691905 installs successfully.
If not what next?
If it doesn't work after rebooting that computer then please log back into Justanswers and I will look into it further. Please also post any error messages you receive.
Please accept my answer if I helped resolve your issue. If you still need assistance, then you can send me a reply message.
Thirteen years of experience providing computer support for fortune 500 companies and government.