Wifi not working after Windows 10 upgrade

Some times your wireless and wired network adapters may not work after upgrading to Windows 10. As per Microsoft the reason may be due to some VPN client softwares installed in your computer. Listed below are the troubleshooting steps. 

1. Remove any VPN client software(Cisco, SonicWALL, Fortigate etc) installed in your computer before upgrading.
2. If you have already upgraded try removing it. Mostly it won't work as it will show error while trying to uninstall. 
3. Try uninstalling all the network adapters from device manager and reinstall again. 
4. If it doesn't work the final step is to downgrade to Windows 8/7, uninstall the VPN Client software and upgrade to Windows 10 again. You can downgrade from recovery options. (Click on Start-Settings-Update and Security-Recovery)

Cannot send emails from Outlook after upgrading to Windows 10

After upgrading to Windows 10 you may experience problems with sending emails from Outlook. When you click on the Send/Receive button it may show the below message.

Error message: ‘ – Sending’ reported error (0x800CCC13): ‘Cannot connect to the network. Verify your network connection or modem’

To resolve this issue follow the below steps.

1. Right click on the Start button of Windows and choose: Command Prompt (Admin).
2. In the command prompt type : sfc /scannow
3. Wait until the process completes.
4. Restart the computer
5. Open Outlook and try sending mails again

Change Login Account to Local Account in Windows 8

While you are setting up Windows 8 for the first time, it may request to enter a Microsoft account. Using a Microsoft account as log in is useful if you are using multiple Windows 8 devices, as it lets you sync the information from one device to another. You can change your login to a local account on the PC if you are not using such features.

Changing to local account
1. Swipe your mouse to the right side of the desktop to open the windows charm.
2. Click on settings and open 'Change PC settings' on the bottom.
3.Click on accounts and then click on your account.

4. On the screen Click on the disconnect link for Microsoft account.

5. You will be requested for the password. Enter the password and create a local user account

Error: An app on your PC needs the following windows feature

This error may appear when you are trying to install the .NET Framework 3.5 on windows 8 machine. Even if you click on install this feature it may fail to install the software.

In this case please check if the windows updates KB2966826 & KB2966828 is installed under Control panel - Programs and Features - View installed updates. If any of these is installed, please uninstall these updates and try again.