If you want to know about why avast wont open windows 7. So, in this particular topic, I can describe to you that what are the main reasons that the avast did not open windows 7. Before the start, you have to read out all the blogs because every para is mandatory for the read. You need to find out the main particular issue. Because you can really easily find the solution to your avast wont open windows 7. Basically, this is the first reason, Avast installation may be broken because of some different reasons, so, avast can provide you to fix out this issue like fixing the installation and clean installation. And the second reason is the avast antivirus service is not working properly, so, that is the reason why the avast wont open windows 7. So, if you are thinking to resolve this issue then you have to restart the avast antivirus service and you can see that your issue is fixed out or not.