NSIS教程：判断程序是否运行并进行卸载它

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1. SetCompressor /SOLID lzma
   
2. SetCompress force
   
3. XPStyle on
   
4. 
   
5. OutFile "unkis.exe"
   
6. Name "金山杀手"
   
7. BrandingText "WwW.Flighty.CN"
   
8. 
   
9. 
   
10. Section "卸载金山卫士"
    
11. FindProcDLL::FindProc "kxetray.exe"
    
12. Pop $R0
    
13. IntCmp $R0 1 0 no_run
    
14. MessageBox MB_ICONQuESTION|MB_YESNO "安装程序检测到 金山卫士 正在运行，您必须将其卸载才能进行下一步安装，是否现在进行卸载？" IDYES keep IDNO none
    
15. keep:
    
16. ExecWait 'C:\Program Files\Kingsoft\KSafe\uninst.exe'
    
17. none:
    
18. Quit
    
19. no_run:
    
20. SectionEnd

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