To roll back to the previous Team Manager 8 service pack update you had installed:
- With Team Manager 8 closed, hold down Windows key on your keyboard and tap letter E to bring up file explorer
- On left side of screen double click on C drive to see all folders underneath it
- Then double click on Hy-Sport folder
- Under it on left side of screen click on TM8 folder
- On right side of screen slide down to file called TM8.exe or just TM8 (if windows is set to not show common file extensions). It will be an application type file
- Right click on it and select rename - change name to TM8.old
- Slide down further to file called TMOLD.exe
- Right click it, select Rename and change name to TM8.exe
- Close out of file explorer and open Team Manager 8