Wednesday, December 30, 2015


About a week ago, I upgraded my windows 7 to 8.1, but i don't really like the results, when my computer starts up, it s always pop up ERROR_NOTIFICATION_GUID_ALREADY_DEFINED problem and the just a Blue screen, it disappears after like 2-3 minutes. How should I do to solve ERROR_NOTIFICATION_GUID_ALREADY_DEFINED?

I suggest you to perform the methods provided below and check if it helps.

Method 1:Troubleshoot ERROR_NOTIFICATION_GUID_ALREADY_DEFINED error with the help of SmartPCFixer.

1. Click the below button to download SmartPCFixer.

download smartpcfixer

2. Double-click the application, you will see the below interface.

smartpcfixer screenshot

3. Click [Quick Scan] to run a whole scan for your computer.

4. Click [Fix All] to repair ERROR_NOTIFICATION_GUID_ALREADY_DEFINED problem.

Method Two: To repair ERROR_NOTIFICATION_GUID_ALREADY_DEFINED problem in time, you can use sfc utility to do a full check for your system.

1. To do this, click Start, type Command Prompt or cmd in the Search box, right-click Command Prompt, and then click Run as administrator. If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.


2. At the command prompt, type the following command, and then press ENTER:

sfc /scannow


Is it time for a PC checkup?

PC runs best when they receive regular, professional maintenance. The installation and un-installation of software, hardware, and drivers often leave remnants behind in your registry, resulting in a tangle of unused applications, broken drivers, and incomplete and empty command signals. This mass of confusion slows down your computer and if not addressed promptly can cause serious problems such as computer freezing, programs not responding, and system crashes. As a distinguished PC optimizer, SmartPCFixer is obviously a good alternative for users to fix ERROR_NOTIFICATION_GUID_ALREADY_DEFINED errors. Besides of solving ERROR_NOTIFICATION_GUID_ALREADY_DEFINED errors, this software also has amazing function for its customers.

Please Note:The Windows Registry will be scanned and repaired by SmartPCFixer. This application
will remove damaged registry entries and repair the windows registry. The scan and repair process will take approximately 2 minutes.

About Downloads

Download SmartPCFixer to fix ERROR_NOTIFICATION_GUID_ALREADY_DEFINED error, Dll Errors, Outlook Errors, Spooler Problems, ActiveX Errors, Javascript and Scripting Errors, EXE/DLL/SYS/OCX/INF/VXD Errors, slow sluggish behavior and other common errors. SmartPCFixer can help solve the most frustrating PC problems, and using it is as easy as clicking a mouse.

Read More:,ERROR_NO_SUCH_GROUP,RPC_S_NOT_ALL_OBJS_UNEXPORTED,ERROR_IPSEC_IKE_SRVACQFAIL,internal error bad script xdr magic number,code 8024a006 windows update


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