Is this a recently upgraded site? What version did you upgrade from?

Padlock where Admin is, is normal.

If you upgraded from an older version (pre 7 perhaps?) of DNN, you are likely are still using the FCK text editor, which I believe breaks in DNN7. You can go to the host/Html Editor Manager page and choose a different text editor. Then try saving changes.

One other thing to be aware of, if you are in EDIT mode in one TAB in your browser, and making changes, yet you have another TAB open that you are navigating around on the same site, you will often times kick yourself out of Edit mode and changes won't save.

Chris

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Chris Hammond
Former DNN Corp Employee, MVP, Core Team Member, Trustee
Christoc.com Software Solutions DotNetNuke Module Development, Upgrades and consulting.
dnnCHAT.com a chat room for DotNetNuke discussions

Solved: I found that in this case it was log file size,
The hosting provider I am using allows SQL database size of 500mb. My total size was 630mb with 545mb of this was log files. I cleared most of the log files using MS SQL Manager and the site is now allowing updates to pages again.

I hope the above info might help some one else one day solve an issue like this.

Cheers

PS:  I now just have o fix the original error that caused the log file to keep writing that it couldn't write to the log file, while it was writing to it :-)