Thanks!

Windows 10 Anniversary with all updates
HP dv6 laptop i5 12 Gig RAM

I have one third party application that will cause the task bar to freeze for up to 2 minutes when the app is closed. I...

FYI - By disabling Avast Antivirus I was able to complete the upgrade.

Thank you for the prompt response.

I ran disk cleanup as suggested. Tried the upgrade. Same result.

What might I try next?

I upgraded my desktop PC from windows 7 home to windows 10 home 1511. Everything went well and windows 10 home is running fine. Now I would like to upgrade to windows 10 pro. I have a valid windows 7...