Unable to access my bank

Just for the record, Other T.A. Sampson postings…
[1] (https://support.avg.com/answers?id=906b0000000D3BtAAK)
[2] (https://support.avg.com/answers?id=906b00000004wO4AAI)
AVG Guru

This is going on 3 weeks now. One day for no apparent action on my part, I was able to access my on line banking, but not since. It is only one computer and I have no problem accessing any other web site.
I enter Arvest and it will just time out, no matter how I try to get there.

Just for the record, Other T.A. Sampson postings…
[1] (https://support.avg.com/answers?id=906b0000000D3BtAAK)
[2] (https://support.avg.com/answers?id=906b00000004wO4AAI)
AVG Guru