This fixes the following error messages, it might fix other errors but it has fixed these errors from my experience.
error message: "windows can't open add printer. the local print spooler service is not running. Please restart the spooler or restart the machine.";
error message: "spooler subsystem app stopped working and was closed";
----------------------------------------
1. Create text file
2. Copy items below
3. Rename to "spooler.reg" without quotes
4. Open registry > file > import file
5. Reboot PC
Items to be copied bellow:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Spooler]
"DependOnService"=hex(7):52,00,50,00,43,00,53,00,53,00,00,00,00,00
"Description"="Loads files to memory for later printing."
"DisplayName"="Print Spooler"
"ErrorControl"=dword:00000001
"FailureActions"=hex:80,51,01,00,00,00,00,00,00,00,00,00,03,00,00,00,e8,47,0c,\
00,01,00,00,00,60,ea,00,00,01,00,00,00,60,ea,00,00,00,00,00,00,00,00,00,00
"Group"="SpoolerGroup"
"ImagePath"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,\
74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,73,\
00,70,00,6f,00,6f,00,6c,00,73,00,76,00,2e,00,65,00,78,00,65,00,00,00
"ObjectName"="LocalSystem"
"Start"=dword:00000002
"Type"=dword:00000110
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Spooler\Parameters]
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Spooler\Performance]
"Close"="PerfClose"
"Collect"="PerfCollect"
"Collect Timeout"=dword:000007d0
"Library"="winspool.drv"
"Object List"="1450"
"Open"="PerfOpen"
"Open Timeout"=dword:00000fa0
"WbemAdapFileSignature"=hex:bd,83,ab,a6,1e,8a,cc,c8,d9,ff,b8,69,f2,94,18,ce
"WbemAdapFileTime"=hex:00,a0,a1,10,27,9e,c8,01
"WbemAdapFileSize"=dword:00023c00
"WbemAdapStatus"=dword:00000000
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Spooler\Security]
"Security"=hex:01,00,14,80,78,00,00,00,84,00,00,00,14,00,00,00,30,00,00,00,02,\
00,1c,00,01,00,00,00,02,80,14,00,ff,01,0f,00,01,01,00,00,00,00,00,01,00,00,\
00,00,02,00,48,00,03,00,00,00,00,00,14,00,8d,01,02,00,01,01,00,00,00,00,00,\
05,0b,00,00,00,00,00,18,00,ff,01,0f,00,01,02,00,00,00,00,00,05,20,00,00,00,\
20,02,00,00,00,00,14,00,fd,01,02,00,01,01,00,00,00,00,00,05,12,00,00,00,01,\
01,00,00,00,00,00,05,12,00,00,00,01,01,00,00,00,00,00,05,12,00,00,00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Spooler\Enum]
"0"="Root\\LEGACY_SPOOLER\\0000"
"Count"=dword:00000001
"NextInstance"=dword:00000001
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Spooler]
"DependOnService"=hex(7):52,00,50,00,43,00,53,00,53,00,00,00,00,00
"Description"="Loads files to memory for later printing."
"DisplayName"="Print Spooler"
"ErrorControl"=dword:00000001
"FailureActions"=hex:80,51,01,00,00,00,00,00,00,00,00,00,03,00,00,00,e8,47,0c,\
00,01,00,00,00,60,ea,00,00,01,00,00,00,60,ea,00,00,00,00,00,00,00,00,00,00
"Group"="SpoolerGroup"
"ImagePath"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,\
74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,73,\
00,70,00,6f,00,6f,00,6c,00,73,00,76,00,2e,00,65,00,78,00,65,00,00,00
"ObjectName"="LocalSystem"
"Start"=dword:00000002
"Type"=dword:00000110
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Spooler\Parameters]
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Spooler\Performance]
"Close"="PerfClose"
"Collect"="PerfCollect"
"Collect Timeout"=dword:000007d0
"Library"="winspool.drv"
"Object List"="1450"
"Open"="PerfOpen"
"Open Timeout"=dword:00000fa0
"WbemAdapFileSignature"=hex:bd,83,ab,a6,1e,8a,cc,c8,d9,ff,b8,69,f2,94,18,ce
"WbemAdapFileTime"=hex:00,a0,a1,10,27,9e,c8,01
"WbemAdapFileSize"=dword:00023c00
"WbemAdapStatus"=dword:00000000
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Spooler\Security]
"Security"=hex:01,00,14,80,78,00,00,00,84,00,00,00,14,00,00,00,30,00,00,00,02,\
00,1c,00,01,00,00,00,02,80,14,00,ff,01,0f,00,01,01,00,00,00,00,00,01,00,00,\
00,00,02,00,48,00,03,00,00,00,00,00,14,00,8d,01,02,00,01,01,00,00,00,00,00,\
05,0b,00,00,00,00,00,18,00,ff,01,0f,00,01,02,00,00,00,00,00,05,20,00,00,00,\
20,02,00,00,00,00,14,00,fd,01,02,00,01,01,00,00,00,00,00,05,12,00,00,00,01,\
01,00,00,00,00,00,05,12,00,00,00,01,01,00,00,00,00,00,05,12,00,00,00
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Spooler\Enum]
"0"="Root\\LEGACY_SPOOLER\\0000"
"Count"=dword:00000001
"NextInstance"=dword:00000001
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\Spooler]
"DependOnService"=hex(7):52,00,50,00,43,00,53,00,53,00,00,00,00,00
"Description"="Loads files to memory for later printing."
"DisplayName"="Print Spooler"
"ErrorControl"=dword:00000001
"FailureActions"=hex:80,51,01,00,00,00,00,00,00,00,00,00,03,00,00,00,e8,47,0c,\
00,01,00,00,00,60,ea,00,00,01,00,00,00,60,ea,00,00,00,00,00,00,00,00,00,00
"Group"="SpoolerGroup"
"ImagePath"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,\
74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,73,\
00,70,00,6f,00,6f,00,6c,00,73,00,76,00,2e,00,65,00,78,00,65,00,00,00
"ObjectName"="LocalSystem"
"Start"=dword:00000002
"Type"=dword:00000110
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\Spooler\Parameters]
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\Spooler\Performance]
"Close"="PerfClose"
"Collect"="PerfCollect"
"Collect Timeout"=dword:000007d0
"Library"="winspool.drv"
"Object List"="1450"
"Open"="PerfOpen"
"Open Timeout"=dword:00000fa0
"WbemAdapFileSignature"=hex:bd,83,ab,a6,1e,8a,cc,c8,d9,ff,b8,69,f2,94,18,ce
"WbemAdapFileTime"=hex:00,a0,a1,10,27,9e,c8,01
"WbemAdapFileSize"=dword:00023c00
"WbemAdapStatus"=dword:00000000
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\Spooler\Security]
"Security"=hex:01,00,14,80,78,00,00,00,84,00,00,00,14,00,00,00,30,00,00,00,02,\
00,1c,00,01,00,00,00,02,80,14,00,ff,01,0f,00,01,01,00,00,00,00,00,01,00,00,\
00,00,02,00,48,00,03,00,00,00,00,00,14,00,8d,01,02,00,01,01,00,00,00,00,00,\
05,0b,00,00,00,00,00,18,00,ff,01,0f,00,01,02,00,00,00,00,00,05,20,00,00,00,\
20,02,00,00,00,00,14,00,fd,01,02,00,01,01,00,00,00,00,00,05,12,00,00,00,01,\
01,00,00,00,00,00,05,12,00,00,00,01,01,00,00,00,00,00,05,12,00,00,00
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet003\Services\Spooler]
"DependOnService"=hex(7):52,00,50,00,43,00,53,00,53,00,00,00,00,00
"Description"="Loads files to memory for later printing."
"DisplayName"="Print Spooler"
"ErrorControl"=dword:00000001
"FailureActions"=hex:80,51,01,00,00,00,00,00,00,00,00,00,03,00,00,00,e8,47,0c,\
00,01,00,00,00,60,ea,00,00,01,00,00,00,60,ea,00,00,00,00,00,00,00,00,00,00
"Group"="SpoolerGroup"
"ImagePath"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,\
74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,73,\
00,70,00,6f,00,6f,00,6c,00,73,00,76,00,2e,00,65,00,78,00,65,00,00,00
"ObjectName"="LocalSystem"
"Start"=dword:00000002
"Type"=dword:00000110
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet003\Services\Spooler\Parameters]
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet003\Services\Spooler\Performance]
"Close"="PerfClose"
"Collect"="PerfCollect"
"Collect Timeout"=dword:000007d0
"Library"="winspool.drv"
"Object List"="1450"
"Open"="PerfOpen"
"Open Timeout"=dword:00000fa0
"WbemAdapFileSignature"=hex:bd,83,ab,a6,1e,8a,cc,c8,d9,ff,b8,69,f2,94,18,ce
"WbemAdapFileTime"=hex:00,a0,a1,10,27,9e,c8,01
"WbemAdapFileSize"=dword:00023c00
"WbemAdapStatus"=dword:00000000
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet003\Services\Spooler\Security]
"Security"=hex:01,00,14,80,78,00,00,00,84,00,00,00,14,00,00,00,30,00,00,00,02,\
00,1c,00,01,00,00,00,02,80,14,00,ff,01,0f,00,01,01,00,00,00,00,00,01,00,00,\
00,00,02,00,48,00,03,00,00,00,00,00,14,00,8d,01,02,00,01,01,00,00,00,00,00,\
05,0b,00,00,00,00,00,18,00,ff,01,0f,00,01,02,00,00,00,00,00,05,20,00,00,00,\
20,02,00,00,00,00,14,00,fd,01,02,00,01,01,00,00,00,00,00,05,12,00,00,00,01,\
01,00,00,00,00,00,05,12,00,00,00,01,01,00,00,00,00,00,05,12,00,00,00
