Hi,
First of all please check that the port 4241 and 4239 is used on that server. If yes. Please find that port and kill them.
To reset of SUM tool by following the procedure below:
1. Open a command prompt, change to the ../abap/bin directory (Windows: ..\abap\bin)
2. Enter the following command: .\SAPup.exe reset prepare
3. Rename the Upgrade directory
4. Kill all the SAPup processes at OS level, if any exists.
Apply SAP Note to Avoid Error During Reset
We recommend to apply SAP Note 1518145 before starting the Software Update Manager (if it is not yet in your system as part of the corresponding Support Package). This note prevents an error that can occur when you reset the update procedure during the Preprocessing roadmap step. Without this note, some tables that need to be deleted during the reset cannot be deleted.
Please keep the note handy for SUP patch level 07
Note 1732061 - Central Note - Software Update Manager 1.0 SP07 [lmt_008]
Thanks
Rishi Abrol