Disk cleanup in Windows 10

• To delete temporary files:

  • In the search box on the taskbar, type disk cleanup, and select Disk Cleanup from the list mentioned .

  • Click the drive which want to clean up, and then select OK.

  • Under Files to delete, select the file types to get rid of. To get a description of the file type, select it.

  • Select OK.

• If you need to free up more space, you can also delete system files:

  • In Disk Cleanup, select Clean up system files.

  • Select the file types to get rid of. To get a description of the file type, select it.

  • Select OK.

  Open Command Prompt as administrator (search for it within the Windows start menu > right-click > run as administrator)
  – Enter: sfc /scannow

  
  – Once the scan finishes, enter: dism /online /cleanup-image /restorehealth

  

  Make sure Defender is turned on

   

  

  Turn on Windows Defender to access company resources for error code

  Complete the following steps to turn on Windows Defender on your device.

  1. Select the Start menu.
  2. In the search bar, type group policy. Then select Edit group policy from the listed results. The Local Group Policy Editor will open.
  3. Select Computer Configuration > Administrative Templates > Windows Components > Windows Defender Antivirus.
  4. Scroll to the bottom of the list and select Turn off Windows Defender Antivirus.
  5. Select Disabled or Not configured. It might feel counter-intuitive to select these options because the names suggest that you’re turning Windows Defender off. Don’t worry, these options actually ensure that it’s turned on.
  6. Select Apply > OK.

  Turn on real-time and cloud-delivered protection

  

  Follow the steps to turn on real-time and cloud-delivered protection. Together, these antivirus protect you from spyware and can deliver fixes for malware issues via the cloud.

  1. Select the Start menu.
  2. In the search bar, type Windows Security. Select the matching result.
  3. Select Virus & threat protection.
  4. Under Virus & threat protection settings, select Manage settings.
  5. Flip each switch under Real-time protection and Cloud-delivered protection to turn them on.

  If you don’t see these options on your screen, they may be hidden. Complete the following steps to make them visible.

  1. Select the Start menu.
  2. In the search bar, type group policy. Then select Edit group policy from the listed results. The Local Group Policy Editor will open.
  3. Select Computer Configuration > Administrative Templates > Windows Components > Windows Security > Virus and threat protection.
  4. Select Hide the Virus and threat protection area.
  5. Select Disabled > Apply > OK.

  Update your antivirus definitions

  Complete the following steps to update your antivirus definitions.

  1. Select the Start menu.
  2. In the search bar, type Windows Security. Select the matching result.
  3. Select Virus & threat protection.

  4. Under Virus & threat protection updates, select Check for updates. If you don’t see this option on your screen, complete the first set of steps in Turn on Real-time Protection. Then try checking for updates again.

  Restart the Computer