How to Perform a Clean Boot in Windows
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Transcript of How to Perform a Clean Boot in Windows
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Summary
A clean boot is performed to start Windows by using a minimal set of drivers and startup programs. This helps
eliminate software conflicts that occur when you install a program or an update or when you run a program in
Windows 8.1, Windows 8, Windows 7, or Windows Vista. You may also troubleshoot or determine what conflict
is causing the problem by performing a clean boot.
Why software conflicts occur?
When you start Windows by using a normal startup operation, several applications and services start
automatically, and then run in the background. These programs include basic system processes, antivirus
software, system utility applications, and other software that has been previously installed. These applications
and services can cause software conflicts.
Note If you are using Windows XP, go to How to configure Windows XP to start in a "clean boot" state.
How to perform a clean boot
Notes
You must log on to the computer as an administrator to be able to perform a clean boot.
Your computer may temporarily lose some functionality when you perf orm a clean boot. When you start
the computer normally, the functionality returns. However, you may receive the original error message, orexperience the original behavior if the problem still exists.
If the computer is connected to a network, network policy settings may prevent you from following these
steps. We strongly recommend that you do not use the System Configuration utility to change the
advanced boot options on the computer unless a Microsoft support engineer directs you to do this.
Doing this may make the computer unusable.
Follow the following steps to perform a clean boot:
Windows 8.1 and Windows 8
How to perform a clean boot in Windows
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1. Swipe in from the right edge of the screen, and then tap Search. Or, if you are using a mouse, point to
the lower‐right corner of the screen, and then click Search.
2. Type msconfig in the search box, and then tap or click msconfig.
3. On the Services tab of the System Configuration dialog box, tap or click to select the Hide all
Microsoft services check box, and then tap or click Disable all.
4. On the Startup tab of the System Configuration dialog box, tap or click Open Task Manager.
5. On the Startup tab in Task Manager, for each startup item, select the item and then click Disable.
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6. Close Task Manager.
7. On the Startup tab of the System Configuration dialog box, tap or click OK , and then restart the
computer.
Windows 7 and Windows Vista
1. Log on to the computer by using an account that has administrator rights.
2. Click Start, type msconfig.exe in the Start Search box, and then press Enter to start the System
Configuration utility.
Note If you are prompted for an administrator password or for confirmation, you should type thepassword or provide confirmation.
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3. On the General tab, click the Selective startup option, and then click to clear the Load startup items
check box. The Use Original Boot.ini check box is unavailable.
4. On the Services tab, click to select the Hide all Microsoft services check box, and then click Disable all.
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Note This step lets Microsoft services continue to run. These services include Networking, Plug and Play,
Event Logging, Error Reporting, and other services. If you disable these services, you may permanently
delete all restore points. Do not do this if you want to use the System Restore utility together with
existing restore points.
5. Click OK , and then click Restart.
For more information about how to perform a clean boot in Windows 7 and Windows Vista, reference the
Video: How to do a clean boot in Windows.
What is next when I have a clean boot environment?
After the computer is restarted, you will have a clean boot environment. Then, do one of the following, as
appropriate for your situation:
If you could not install or uninstall a program or an update before you performed the clean boot, try
to install or uninstall the program or update again.
Note If you receive the "The Windows Installer service could not be accessed" error during the
installation or uninstallation, follow How to start the Windows Installer service when system services are
not loaded, and then install or uninstall the program or update again.
If the installation or uninstallation is successful, you have resolved your issue. Follow How to reset
the computer to start as usual to reset your computer to the normal startup.
If the installation or uninstallation still fails, that means this issue is not caused by application or
service interference. You may have to go to Microsoft Support for more specific support.
If you could not run a program before you performed the clean boot, try to run the program again.
If the program runs correctly, this issue is caused by application or service interferences. FollowHow to determine what is causing the issue by performing a clean boot to determine which
application or service causes the issue.
If the program still does not run as expected, this issue is not caused by application or service
https://support.microsoft.com/http://support.microsoft.com/https://support.microsoft.com/https://support.microsoft.com/https://support.microsoft.com/
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interference. You may have to go to Microsoft Support for more specific support.
How to reset the computer to start normally after
clean boot troubleshooting
After you have finished troubleshooting, follow these steps to reset the computer to start normally.
Windows 8.1 and Windows 8
1. Swipe in from the right edge of the screen, and then tap Search. Or, if you are using a mouse, point to
the lower‐right corner of the screen, and then click Search.
2. Type msconfig in the search box, and then tap or click msconfig.
3. On the General tab, tap or click the Normal Startup option.
4. Tap or click the Services tab, clear the check box beside Hide all Microsoft services, and then tap or click
Enable all.
5. ap or click the Startup tab, and then tap or click Open Task Manager.
6. In task manager, enable all of your startup programs, and then tap or click OK .
7. When you are prompted to restart the computer, tap or click Restart.
Windows 7 and Windows Vista
1. Click Start, type msconfig.exe in the Start Search box, and then press Enter.
Note If you are prompted for an administrator password or for confirmation, you should type the
password or click Continue.
2. On the General tab, click the Normal Startup option, and then click OK .
3. When you are prompted to restart the computer, click Restart.
More information
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How to determine what is causing the problem by
performing a clean boot
Windows 8.1 and Windows 8
1. Log on to the computer by using an account that has administrator rights.
2. Swipe in from the right edge of the screen, and then tap Search. Or, if you are using a mouse, point to
the lower‐right corner of the screen, and then click Search.
3. Type msconfig in the search box, and then tap or click msconfig.
4. Tap or click the Services tab, and then tap or click to select the Hide all Microsoft services check box.
5. Tap or click to select the upper half of the check boxes in the Service list.
6. Tap or click OK , and then tap or click Restart.
7. After the computer finishes restarting, determine whether the problem still occurs.
If the problem still occurs, repeat steps 1 through 6, but clear the lower half of the check boxes in
the Service list that you originally selected.
If the problem does not occur, repeat steps 1 through 6, and select only the upper half of theremaining check boxes that are cleared in the Service list. Repeat these steps until you have
selected all the check boxes.
If you still experience the problem when only one service is selected in the Service list, this means
that the selected service causes the problem, and you should go to step 11. If no service causes the
problem, go to step 8.
8. Repeat steps 1 and 3 in this section.
9. Tap or click the Startup tab, and then tap or click to select the upper half of the check boxes in the
Startup Item list.
10. Click OK , and then click Restart.
If the problem still occurs, repeat steps 8 and 9, but clear the lower half of the checked boxes in the
Startup Item list that you originally selected.
If the problem does not occur, repeat steps 8 and 9, and select only the upper half of the remaining
check boxes that are cleared in the Startup Item list. Repeat these steps until you have selected all
the check boxes.
If you still experience the problem after only one Startup Item is selected in the Startup Item list,
this means that the selected Startup Item causes the problem, and you should go to step 11. If noStartup Item causes this problem, a Microsoft service probably causes the problem. To determine
which Microsoft service may be causing the problem, repeat steps 1 through 7 without selecting
the Hide all Microsoft services check box in each step.
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11. After you determine the startup item or the service that causes the problem, contact the program
manufacturer to determine whether the problem can be resolved. Or, run the System Configuration
utility, and then tap or click to clear the check box for the problem item.
Windows 7 and Windows Vista
1. Log on to the computer by using an account that has administrator rights.
2. Click Start, type msconfig.exe in the Start Search box, and then press Enter to start the System
Configuration utility.
Note If you are prompted for an administrator password or for confirmation, you should type the
password or provide confirmation.
3. Click the Services tab, and then click to select the Hide all Microsoft services check box.
4. Click to select the upper half of the check boxes in the Service list.
5. Click OK , and then click Restart.
6. After the computer finishes restarting, determine whether the problem still occurs.
If the problem still occurs, repeat steps 1 through 5, but clear the lower half of the checked boxes
in the Service list that you originally selected.
If the problem does not occur, repeat steps 1 through 5, and select only the upper half of the
remaining check boxes that are cleared in the Service list. Repeat these steps until you have
selected all the check boxes.
If you still experience the problem after only one service is selected in the Service list, this means
that the selected service causes the problem. Go to step 10. If no service causes this problem, go to
step 7.
7. Perform a clean boot by repeating steps 1 and 2.
8. Click the Startup tab, and then click to select the upper half of the check boxes in the Startup Item list.
9. Click OK , and then click Restart.
If the problem still occurs, repeat steps 7 and 8, but clear the lower half of the checked boxes in the
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Windows 7 and Windows Vista
1. Click Start, right‐click Computer, and then click Manage.
Note If you are prompted for an administrator password or for confirmation, type the password or
provide confirmation.
2. In the console tree, click Services and Applications, and then click Services.
3. In the details pane, right‐click Windows Installer, and then click Start.
Video: How to do a clean boot in Windows
Properties
Article ID: 929135 ‐ Last Review: 12/13/2013 04:56:00 ‐ Revision: 36.0
Applies to
Windows 8.1
Windows 8.1 Enterprise
Windows 8.1 Pro
Windows 8
1:30 / 1:30
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Windows 8 Enterprise
Windows 8 Pro
Windows 7 Enterprise
Windows 7 Home Basic
Windows 7 Home Premium
Windows 7 Professional
Windows 7 Starter
Windows 7 Ultimate
Windows Vista Home Basic
Windows Vista Home Premium
Windows Vista Ultimate
Windows Vista Business
Windows Vista Enterprise
Windows Vista Starter
Windows Vista Business 64‐bit Edition
Windows Vista Enterprise 64‐bit Edition
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