I have this issue with one of our clients, when selecting Explorer View and error says: “Please wait while Explorer View is loaded. If Explorer View does not appear, your browser may not support it." …
One solution to check first is if the WEbClient service is turned on and set to Automatic. To set it:
1. click Start -> Run, then type services.msc
2. Look for WebClient, double click and set Startup type to Automatic.
3. Right click on WebClient, click Start.
Now check again the Explorer View. If it doesn’t work check your browser version. As I check the net, IE8 seems to have problems with Explorer View. Hope this helps.
