1. Open Registry Editor (RegEdit.exe) by goto Start>Run and type "regedit" without quotes.
2. In Registry Editor, goto My Computer>HKEY_CURRENT_USER>Software>Yahoo>Pager>Test
3. Create a new string value (REG_SZ) by right click on the left pane, New>String value. Rename it as "plural" without quotes.
4. Set its value data to "1" without quotes by double click on plural. It takes effect immediately.
If u r right, then u will come up something like this.
For sake of simplicity, download this file to Desktop. Double click and answer yes.