I've never had problems with a wireless connection until about a week ago. I constantly have to retype the password for all the connections I used to automatically connect to. This is especially annoying for my campus network, since all the suggested solutions on other forums require going into router settings... Something I can't do.
"Manage Wireless Connctions" always shows empty, even when connected to a wireless network.(Never used it before this issue started, not sure if it ever said anything.)
Can't add a network manually, says "access denied".
I heard of a solution using the Credential Manager, but I don't understand how it would work. No credentials are loaded for me to delete and reinstall.
Searching for the "wlansvc" folder came up empty because it's a hidden system folder. The new Win7 search doesn't look for those. But I did some google-ing for 'win7 "manage wireless connections" "access denied"' and found a forum on the first page with the full path of the folder.
Here's what I had to do:
Change security on the following folder (all folders above this one still had proper security settings, not sure why the "Interfaces" security changed):