First make hidden files and folders visible:
- Go to Start > Computer.
- Go to Organize > Folder and Search Options.
- Select View.
- Ensure Show hidden files and folders is selected under Hidden files and folders.
Navigate to the Windows Temporary folder:
- Open Windows Explorer.
- Type %TEMP% in the address bar and press Enter key.
Within this folder, the file will be named as debug_log.txt. In case of phone software update issues, check also the folders below for the software update logs:
- Win 7: C:\ProgramData\Nokia\Nokia Suite\NOSSU2\logs
- Win XP: C:\Documents and Settings\All Users\Application Data\Nokia\Nokia Suite\NOSSU2\logs