System environment:
windows 7 / Vista / xp


Error message:
Error 10016, The application-specific permission settings do not grant Local Launch permission for the COM Server application with CLSID
{C97FCC79-E628-407D-AE68-A06AD6D8B4D1} and APPID {344ED43D-D086-4961-86A6-1106F4ACAD9B}


Solution:
Go to Start, type dcomcnfg in the "Search files and programs" bar, press enter
Component Services will show up.
Go to Component Services > Computers
Right-click My Computer, choose Properties
Go to COM Security tab>Launch and Activation Permissions.click "Edit Default" button
Click Add button, type Network Service and click ok

Select Network Service you just added, Select allow for follow items:
Local Launch
Remote Launch
Local Activation
Remote Activation
Click ok button of all windows
Restart your computer

System environment:
Windows 8, VMware Workstation


Error message:
Windows cannot read the [productkey] setting from the unattend answer file



Solution:
Remove the Floppy
For VMware Workstation user:
Edit Virtual machine settings > CD/DVD > Use ISO Image file > choose ISO FILE > OK

System environment:
Windows xp


Error message:
A problem has been detected and windows has been shut down to prevent damage to your computer.
If this is the first time you have seen this stop error screen, restart your computer. If this screen appears again, follow these steps.
Check to be sure you have adequate disk space. If a driver is identified in the stop message, disable the driver or check with the manufacturer for driver updates. Try changing video adapters.
Check with your hardware vendor for any BIOS updates. Disable BIOS memory options such as caching or shadowing. If you need to use safe mode to remove or disable components, restart your computer press F8 and select advanced startup options, and then select safe mode.
Technical information:
Stop Error 0x00000050,0xFD3094C2,0x00000001,0xFBFE7617,0x00000000
Symbolic name is - PAGE_FAULT_IN_NONPAGED_AREA
faulting file - SPCDMDCON.SYS



Solution:
Install Microsoft Windows XP Service Pack1

System environment:
Windows 7 / Vista / xp


Error message:
System Error 1326 has occurred
Logon failure: unknown user name or bad password.


Solution:
Run secpol.msc (Go to Start>type secpol.smc at search for programs and files and press enter)
Navigate to 'Local Policies > Security Settings > Network Access : Sharing and security model for local accounts'
Change it to 'Classic - Local users authenticate as themselves'
Reboot your computer

Or run command:
net use z: \\computer name\foldername /USER:users\administrator P@ssw0rd

System Environment:
Windows xp, Lexmark printer, HP printer


Error message:
Operation failed with error 0x0000007e
Add printer. Windows cannot connect to the printer



Solution:
Download the Windows 7 driver, install it and retry
Go to start, input cmd at "search for programs and files"
Run follow command:
net use LPT2 \\computername\sharedprintername /persistent:yes
Go to start, input regedit at "search for programs and files"
Go to "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Print\Printers\is4300",delete the COPYFILES entry

System Environment:
Windows 7 / Vista / Xp, Windows Update, Microsoft Update


Error:
"Error 0x80072EE2" or "Error 0x80072EFD"
0x8024402C, 0x80240030 or 0x8024502d error




Solution:
Download Windows update troubleshooter:
http://go.microsoft.com/?linkid=9666880

Or

Go to start, input cmd at "search programs and files" and press enter, run follow commands:
proxycfg -d
net stop wuauserv
cd C:\WINDOWS\SoftwareDistribution
delete *.*
net start wuauserv

Or
Add follow sites to your firewall exceptions list:
http://*.update.microsoft.com
https://*.update.microsoft.com
http://download.windowsupdate.com

Or
Verify Internet connectivity. Run command "NETSH WINSOCK RESET" and reboot your computer

Or

Register the following dlls: oleaut32.dll, jscript.dll, vbscript.dll, msxml.dll, softpub.dll, wintrust.dll, initpki.dll, cryptdlg.dll. If any of these dlls missed, download at
http://www.dll-download-system.com

Or

Open IE, go to Tools> Internet Options > Internet Options > LAN Settings, unchecked Use a "proxy server for your LAN"

Operating system:

Windows 8 / 7 / vista / xp


Error message:

When you choose turn off computer, computer refuse to shut down
We apologize for the inconvenience, but Windows did not start successfully
Event ID: 1073
The attempt to power off computer-id failed.
For more information, see Help and Support Center
Event Type: Warning
Event Source: USER32
Event Category: None
Event ID: 1073
User: NT AUTHORITY\SYSTEM


Solution:

Close all programs before shut down computer
Disable Fast User Switching (Go to Start>Control Panel>User Accounts>Change the way users log on or off).
Don't have two real-time anti-virus solutions installed at the same time

System environment:

Windows Server 2012


Error message:

Failed to query the results of bpa xpath: Microsoft/Windows/FileServices:$reports$\$latestreport$\Discovery.xml:$creationtime$. error: The system cannot find the file specified., last error: The system cannot find the path specified..
Failed to query the results of bpa xpath: Microsoft/Windows/FileServices:$reports$\*\Result.xml:/ResultDatabase/Result. error: A device attached to the system is not functioning., last error: The system cannot find the path specified
Online – Cannot get BPA results
BPA result refresh message: No results were found for one or more BPA models. Run a BPA scan on all roles that are installed on this server, and then try this operation again.
The system was unable to open one or more BPA results because the results either do not exist, the results are corrupted, or you do not have sufficient access rights to open them. For more information, see the Operational channel in the ServerManager-ManagementProvider error log on the target server.


Solution:

Run BPA Scan.
Go to start>run, input Server Manager, press enter. Select local server on left server list. Select Start BPA Scan on task menu (right top of the window)
Fix all errors it found.

System environment:

Windows 7 / Vista / server 2008 / 2012, Exhange 2010 server


Error message:

Active Directory operation failed on domain.local. This error is not retriable. Additional information: Insufficient access rights to perform the operation.
Active directory response: 00002098: SecErr: DSID-03150A48, problem 4003 (INSUFF_ACCESS_RIGHTS), data 0
The user has insufficient access rights

The following error was generated when "$error.Clear():
initialize-ExchangeUniversalGroups -DomainController
$RoleDomainController -ActiveDirectorySplitPermissions
$RoleActiveDirectorySplitPermissions
was run: "Active Directory operation failed on DCSERVER.domain.local. One ormore attribute entries of the object 'CN=OrganizationManagement, OU=Microsoft Exchange Security Groups,DC=domain,DC=local' already exists.".
Active Directory operation failed on DCSERVER.domain.local. One or more attribute entries of the object 'CN=Organization Management, OU=Microsoft Exchange Security Groups,DC=domain,DC=local' already exists."


Solution:

Go to Start, input dsa.msc in Search programs and files (or go to start>run, input dsa.msc) and press enter
Go to menu "View", check if "Advanced Features" is checked or not. If not, make sure it checked.
Locate your user name in Active Directory, right click and choose Properties
Go to the "Security" tab and click on the "Advanced" button.
Click the "Restore defaults" button to reset the user's permissions.
Restart your computer.

System environment:

Windows 7 / vista / 2008, Internet Explorer 9, Exchange 2010 SP1 management console


Error message:

When you try to close the Exchange Management Console (MMC), error message:
You must close all dialog boxes before you can close Exchange management console


Solution:

Go to Start> All programs> Accessories > Notepad, paste
powershell.exe “Get-Process | where {$_.mainwindowtitle -match �exchange management console’} | stop-process”
Save as KillExMMC.bat, double click this file to run.
For win7 user, setup Windows 7 x64 SP1 will fix this error.