Opera Failed to Uninstall on Windows 10





In Windows 10 operating system automatically installed Opera browser so now I am trying to uninstall the Opera browser on Windows 10

Opera Browser Uninstall on Windows 10

Click on Windows button it showing Opera Browser below :

While uninstalling time I get below error with snapshot for understanding

Opera failed to uninstall: Unable to uninstall Opera.exe.
Please make sure Opera is not running and try again.

Resolutions:

Step 1: Click on the Windows button then search on Opera then right-click on the application. After that select the uninstall option. It will redirect to the Control Panel uninstall the program.

Step2: If it will not get the above option then directly ho with Control panel uninstall programs then choose Opera Browser application to right-click on Uninstall button then select the options. Click on Delete my Opera user data and click on Uninstall button.






Step 3: After clicking on Uninstall button then will get Yes/no window. Choose Yes option will get completely uninstall from Windows 10 operating system. If it is not uninstalled then restart your Windows 10. Start with every step from scratching.

How to Find Wifi Password on Windows 10 with Pictures

In Windows 10 operating system to find Wifi Password bit of difficulty because here more options to find out the password.




Here are simple steps to find out the password with step by step process:

Step 1: First go to Desktop of your PC then go to the bottom panel right corner showing Wif symbol. Right click on the Wifi symbol then chooses “Open Network & Network Settings” in your Windows 10 operating system.

Step 2: After clicking on Open Network & Network Settings then showing Network & Internet options in below screenshot. Then click the “Status” option after that select the “Network and Sharing Center”.

Step 3: Then it showing below screenshot. Click on  “Wi-Fi (Internet)”.  If it not showing anything please connect your wifi otherwise it won’t be showing anything. Please connect your Wi-Fi connection.

Step 4: Select the “Wireless Properties” for Wireless information like Connection and Security related information. Don’t go to the Properties because in this tab showing only IPV4 and IPV6 information.

Step 5: After clicking on Wireless Properties then go to “Security” tab it showing Security type and “Network Security Key” in below to “Show character” Dialbox is there click on that Dialog box then it will showing your Wifi Password.

After that click on “Ok”  then close all windows.




Any Password choose strong password including special characters, numbers, and Captial letters for security purpose. Coming to in Windows 7 Operating system easy to find out Wifi Password but Windows 10 operating system little bit of difficulty to choose the option without knowing anything.

Automatic Repair in Windows 10 Operating System

In Windows 10 operating system has some errors while opening the system. Sometimes will shutdown system automatically or our computer did not start correctly so at the time opening our operating system will showing below like this.

Automatic Repair:

Your PC did not start correctly



Press “Restart” to restart your Pc which can sometimes fix the problem. You can also press “Advanced options” to try other options to repair your PC.

After rising this issue in windows then how to solve and how to open windows machine simply.

Simple Solution:

Step 1: Open your Windows operating system then will be showing the automatic repair. After that click on “Advanced options”

Step 2:  After clicking on Advanced options then will go with the “Troubleshoot” option then will show more options for the next step.

Step 3:  Following the Troubleshoot option then simply click on another “Advanced options”

Step 4: After clicking on “Advanced options” then click on “Startup Settings”. For booting process to open windows machine.

Step 5: Following startup settings then simply “Restart” the windows operating system.

Step 6: After booting your Windows 10 operating system. The screen will be showing some options then press a number to choose from the options below.

Use number keys or function keys F1 to F9

1)Enable debugging
2)Enable boot logging
3)Enable low-resolution video
4)Enable Safe Mode
5)Enable Safe Mode with Networking
6)Enable Safe Mode with Command Prompt
7)Disable driver signature enforcement
8)Disable early launch anti-malware protection
9)Disable automatic restart after a failure.

Step 7: Press on F4 then open enable safe mode for the open windows machine. It is called a safe mode then open your desktop and use it simply.

Step 8: Press on F6 then open enable the safe mode with the command prompt for using some commands to troubleshoot the machine then open desktop.




Summary: Automatic Repair is abandoned by the Windows system shutdown at the time of updating or malware situation or installation of software it may have happened. Above steps simply solve the automatic repair in Windows operating system.

How to Install Hadoop on Windows

Hadoop Installation on Windows 10:

Prerequisite: Java 1.7 or more version is mandatory for Hadoop installation on Windows.




Using javac -version, and java command for Java versions and complete installation.

Step 1: Goto apache mirrors for Hadoop tarball then download it.

Step 2: After downloading tarball extract in your path or will create a different file like Hadoop_Installation then processed it.

Step 3: After extracting Hadoop file put into Program files path.

Step 5: After that goto, Hadoop bin file path then copy the path like below

C:\Program Files\hadoop-2.8.0\hadoop-2.8.0\bin

Step 6: Open Environment Variable path then create New User Variable :

Variable Name: HADOOP_HOME

Variable Path : C:\Program Files\hadoop-2.8.0\hadoop-2.8.0\bin

Step 7: Check JAVA_HOME is there or not. If Java home is not there then create in the system variable.

Step 8: If JAVA_HOME set in system variable then put into top position using Move Up buttons.

Step 9: After completion of Environmental variable setup then goto Hadoop file system etc for configuration of all XML files like core – site.xml, yarn – site.xml etc. Simply check below the path and configure it.

C:\Program Files\hadoop-2.8.0\hadoop-2.8.0\etc\hadoop

Then copy the below xml code into core – site.xml file.

<configuration>
<property>
<name>fs.defaultFS</name>
<value>hdfs://loclahost:8020</value>
</property>
</configuration>

Step 10: Then go with the hdfs-site .xml file for storage configurations like replication etc.

<configuration>
<property>
<name>dfs.replication</name>
<value>3</value>
</property>
<property>
<name>dfs.namenode.name.dir</name>
<value>C:\hadoop-2.8.0\data\namenode</value>
</property>
<property>
<name>dfs.datanode.data.dir</name>
<value>C:\hadoop-2.8.0\data\datanode</value>
</property>
</configuration>

Step 11: Configured the yarn-site.xml file using below XML code.

<configuration>

<property>
<name>yarn.nodemanager.aux-services</name>
<value>mapreduce_shuffle</value>
</property>
<property>
<name>yarn.nodemanager.auxservices.mapreduce.shuffle.class</name> 
<value>org.apache.hadoop.mapred.ShuffleHandler</value>
</property>

</configuration>

Step 12: After completion of All XML file configurations then create data and name node files in Hadoop file.




Step 13: Go to Hadoop path open command then name node format using below command:

hadoop namenode -format

Step 14: Open name node web UI like http: localhost:50070 for name node information.

Step 15: Finally after successful installation of Hadoop single node cluster setup on Windows machine then use in simply for Hadoop developers and Administrators also.