I installed Microsoft SharePoint and Project PWA on Windows Server 2008 R2.
When I want to open Library in Windows Explorer, I randomly get an error: Your client does not support opening this list with Windows Explorer
When I open IE it's working for 1st and 2nd time, but after some clicks it's not working anymore and I need to restart IE and then it normally works for couple of times. When it not working through Sharepoint it also not works via \server\DavWWWRoot\PWA and oposite.
I'm searching through the web for weeks and didn't find any solution. Do you have any idea what should be wrong here. Any suggestion is welcome :)
I had the same exact issue with Windows 7 and explorer view. The following steps resolved the issue for me:
This finally fixed it for me. I hope that you have already found a solution to this issue! I was surprised at how difficult it was to find a solution to this problem!