aaloya :
regedit?
a new profile in c:\ wile work but i trying to get answer in regedit
The registry entries are:
[cpp]Windows Registry Editor Version 5.00
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\RunMRU]
"a"="regedit\1"
"MRUList"="a"[/cpp]
But there are other setting that could be emptying the runMRU, this may help
http://windowsxp.mvps.org/runmru.htm
could also be your anti-virus!