Stop the services and clear collaborate

1. Log all users out of Sage. 
2. Select the Windows Key + R buttons, enter Services.msc.
3. Find the Sage 50 Accounts Service vXX and the Sage 50 Accounts Control vXX. XX is your version number, for example, 34.
4. Right-click Sage 50 Accounts Service vXX and select Stop.
5. Right-click Sage 50 Accounts Control vXX and select Stop.
6. Browse to C:\Windows\Syswow64\config\systemprofile\AppData\Local\Sage\SSB\ Accounts\Collaborate.
   
   NOTE:

   If you're using a 32-bit computer, browse to C:\Windows\System32\config\systemprofile\AppData\Local\Sage\SSB\ Accounts\Collaborate instead. 

7. Select the contents of the folder and choose Delete.

Clear the connected bridge and start the services

1. Browse to C:\Users\<username>\AppData\Local\Sage\SSB\Accounts\ConnectedBridge.
2. Select the contents of the folder and choose Delete.
3. Select the Windows Key + R buttons, enter Services.msc.
4. Right-click the Services app then press Run as administrator. 
5. Right-click Sage 50 Accounts Service vxx and choose Start.
6. Right-click Sage 50 Accounts Control vxx and choose Start.