Navigate to the following key in the registry, select it, right click, select Export, give it a name, and save it.
HKEY_CURRENT_USER\Software\SimonTatham\PuTTY
To import, double-click on the saved .reg file and answer yes to merge it.
Open the registry editor and do the following:
- Select/highlight the HKEY_USERS key
- Go to File > Load Hive
- Navigate and select %SYSTEMDRIVE%\Users%USERNAME%\NTUSER.DAT
- Enter in a display name for the imported hive such as "recover"
- Navigate to the new "recover" hive
- Find the Software key and follow the path in the directions above to export
- Text edit your saved .reg file and find and replace all instances of HKEY_USERS\recover with HKEY_CURRENT_USER
- Now merge the settings with your registry as above