To do this Press Windows + R key, type services.msc and hit the enter key to open Windows services. That causes you need to manually check and start the BITS service. But due to some reason, if Service is not started, you may face different problems while check and install windows updates. On Windows computer, Background Intelligent Transfer Service is set to start automatically at startup. BITS uses the DLL with the higher version number. If the DLL also exists in %windir%\System32\Bits, repeat the previous steps. Get-item 'C:\Windows\System32\qmgr.dll' | Select-Object -ExpandProperty VersionInfo You can also use the following PowerShell code to determine the version of the. Right-click QMgr.dll and click Properties.To determine the version of BITS on the client computer, check the version of QMgr.dll.