Hello Johanna,
I will check this for you.
Please share the screenshot http://avgclick.me/getscreenshot of the error message you receive when you try to open an application to assist further.
Help
i just ran the AVG TuneUp optimization. It asked me to restart the computer. When it re started I cannot open any programs including AVG. it tells me windows needs to know what program to use.
Hello Johanna,
I will check this for you.
Please share the screenshot http://avgclick.me/getscreenshot of the error message you receive when you try to open an application to assist further.