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What are the minimal services and startup programs for both XP and Vista?

I have both XP and Vista machines in my network.  Many of them run slowly.
I would like to find, for both OS's, a list of the minimal Services (both Microsoft and Other) and Startup programs that are required for the Operating System to run.
It would also be nice to know what these services do.  I know I've seen a Web site out there that compiles a list of the common services and describes each of them.  Or maybe it was something I downloaded, I can't remember.
I'll attach something I found at a Microsoft newsgroup which is a good starting point, I think.
Thank you!
Dwight Baer
Dwight Baer
4 Solutions
If you are going into like msconfig area, you can choose diagnostic startup, and your pc will still boot, but things like internet and networking will not work.    if you just choose the selective startup, and to to start up tab and leave things like printers.  i know there is alot of junk that starts up.  for a reference, just look at the details of the item, if you scroll, it will tell you what program is associated with it.  then you determine if the program is necessary to startup.  for example, music players like to suck up resources and start up when you dont need them, and updaters for programs also.  disable.  effective rule of thumb, do not disable all.  leave about 5
dwightbaer04--Start up Programs   Start|Run|type MSCONFIG|OK|Startup tab.  WinXP actually needs very few thirdparty programs (the ones you see in msconfig) to run at start. Antivirus, Firewall, Antispyware, programs associated with wireless connections such as mouse, network, etc. would be among the few.  Uncheck the box to the left of any program you feel you do not need at startup.  Click Apply.  This site will help you make decisions what you do and do not need http://www.sysinfo.org/startuplist.php

Disabling Services. This could be dangerous unless you know what you are doing.  The main reason is that some Services depend on others, and some others may depend on it.  Unless you have studied these dependencies, you may delete something needed to run what would seem to be unrelated.  (You can check Dependencies by right clicking on the name of a Service|Properties|Dependency tab.)
See this reference
The Elder Greek used to be very aggressive about disabling services, but you can see from the paragraph in red at the top, he has changed his mind now.

I offer several other suggestions since they often can contribute to a "slow PC".
1) Have you scanned the PC for viruses, spyware, etc.?  (Be sure to use programs with updated reference definition files.  Delete whatever these programs recommend.  And if you did find such malware, you should also probably install and run HiJackThis.  It may find bits and pieces which were left behind
2) Disk Cleanup. There are several ways to reach it. One is Start|All Programs|Accessories|System Tools|DiskCleanUp. That will start a scan of the PC to tell you what files might be deleted or compressed. (The scan takes a while.)  I would certainly delete Temporary Internet Files, Temp files, Downloaded Program Files and probably Compress Old Files. See http://support.microsoft.com/kb/310312 for details.
3) Then I would run ErrorChecking. (left click on MyComputer||right click on C:\ drive icon (assuming that is your hard drive)|Tools|Error Checking. Check the box "Automatically fix file system errors". Click Start (within the error checking window). You will be told to reboot. Do so. Error checking will then run as part of the reboot. It can take a while.
4) Run Disk Defragmenter. ((left click on MyComputer||right click on C:\ drive icon (again assuming that is your hard drive)|Tools|Disk Defragmenter|Defrag Now click Analyze) Unless the analysis shows defragmentation is not needed, proceed to run Defragment. That also takes a while.

This may be the site you were thinking about:

jcimarron has some good suggestions. I recommend taking his advice.

One note though --> you can disable all startup items and all non MS services in msconfig without affecting Windows bootup. Some desirable programs and services will not load, but Windows itself will run just fine.
Dwight BaerStudentAuthor Commented:
The blackviper site is great!  Thanks!

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