问题：
使用pdm时，每次打开都会有如下提示，包括查看表的列时，也会有如下提示，神烦。
编辑
解决过程：
1.网上查了下，是没有打开如下的打印服务。
编辑
如果有这服务打开就行了。
2. 我的电脑上没有这项服务，于是又查了半天，win10如何安装这个服务。一番折腾，还是给安装上了。安装步骤如下：
首先，将如下内容粘贴到文本文档中，然后命名为以.reg结尾的注册表格式文件。
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"="将文件加载到内存中以便迟后打印。" "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" "Type"=dword:00000110 "Start"=dword:00000002 [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Spooler\Performance] [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Spooler\Parameters] "Close"="PerfClose" "Collect"="PerfCollect" "Collect Timeout"=dword:000007d0 "Library"="winspool.drv" "Object List"="1450" "Open"="PerfOpen" "Open Timeout"=dword:00000fa0 "WbemAdapFileSignature"=hex:b6,69,32,f1,cc,60,91,0e,38,f9,a0,87,63,c5,0b,d8 "WbemAdapFileTime"=hex:60,a8,de,cd,5a,2f,c4,01 "WbemAdapFileSize"=dword:00020200 "WbemAdapStatus"=dword:00000000 [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Spooler\Security] "Security"=hex:01,00,14,80,90,00,00,00,9c,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,\ 00,00,02,00,60,00,04,00,00,00,00,00,14,00,8d,01,02,00,01,01,00,00,00,00,00,\ 05,0b,00,00,00,00,00,18,00,9d,01,02,00,01,02,00,00,00,00,00,05,20,00,00,00,\ 23,02,00,00,00,00,18,00,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
编辑
双击注册表文件，然后在注册表编辑器中可以看到如下注册表内容：
编辑
接着重启电脑之后，这个Spooler服务就注册上了。之前电脑一直没重启成功，还郁闷了一会儿，为什么这个服务一直没有安装上。
