Windows 8 hangs or freezes whenever search for anything

Question

Rebuild the Index
Whenever you try to search for something in windows, its indexing which find the things quickly and brings that to you.If indexing is disabled or corrupt computer won't be able to search and will not present the search results.Windows uses the index to perform very fast searches on your computer.
The index requires almost no maintenance. However, if the index can't find a file that you know exists in an indexed location, you might need to rebuild the index. Rebuilding the index can take several hours, and searches might be incomplete until the index is fully rebuilt.
Go to Control panel and open Indexing Options.
Click the Advanced button at the bottom of the Indexing Options window. This displays a new window titled Advanced Options.
Click the Index Settings tab if it isn’t selected already.
Click the Rebuild button to delete and rebuild the file index.
Click OK to confirm.
For more information on Advance indexing option you can read article on microsoft's website http://windows.microsoft.com/en-in/windows7/change​-advanced-indexing-options
Step 2 will always fix this issue but just in case its not helpful try the next Step 3.
3.Check the Registry Value
Manual Fix 1 
1. Press Windows Key + R to get the run dialogue box.
2. Type "regedit.exe" in the box and hit enter.
3. Using the box on the left, navigate to the following directory:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
4. We need to change a registry called "Start_SearchFiles" to a value of 2. If you are like me, yours is already 2. We need to reset this so what we are going to do it change it to 0, then back to 2.
5. Double-click Start_SearchFiles or right-click and select "Modify" to get the edit box. Change the number under "Value data" to 0 then click "Ok".
6. Repeat step 5, changing the value back to 2.
7. Restart your computer.
Manual Fix 2
Using the above information navigate to the following directory: Read More on http://bookingtohosting.blogspot.com/2015/04/windo​ws-8-hangs-or-freezes-whenever.html

Answer 1

Hi,
Regarding current information we can't say that it related to this exe file.
We need to use Clean boot mode and Safe mode to test the results:
Please first restart the Windows in Clean boot and see if the issue still persists after reboot:
How to perform a clean boot
http://support.microsoft.com/kb/929135
If the issue doesn’t appear, you can determine which one can be the cause by using dichotomy in MSconfig. Checking on half of Non-Microsoft service and restart, determining which half of the services cause the issue and repeating to check half of the problematic
half services.
If the issue still persists in Clean boot mode, please test in Safe mode.
Let me know the results in Safe mode.
If we cannot identify this issue in Clean boot and safe mode, please help to collect the boot trace and let's see what cause this issue:
Windows Performance Toolkit: Simple Boot Logging
http://www.autoitconsulting.com/site/performance/windows-performance-toolkit-simple-boot-logging/
You can upload the etl file from this tool for our research.
Kate Li
TechNet Community Support