A Java Runtime Environment (JRE) or Java Development kit (JDK) must be available in order to run Eclipse. No Java virtual machine was found after searching the following locations: C:\eclipse\jre\javaw.exe javaw.exe

Problem: When ever jdk/jre is updated,then at that time,eclipse may not work properly and throws the below error.

Solution:
Step 1 : Go to folder where eclipse is installed and open eclipse.ini as shown in the image below.

Step 2 : Check the path given below -vm in the above file and change it as per the latest java update and save it.
Thats it...Now your eclipse may work.