Definition Update For Windows Defender KB2267602 Error 0x80070643. How to Fix
Today we will tell you about our recent experience in fixing the error with updates in Windows 10. As the user told, right before the error emerged he ran the disk cleanup for his system disk. He marked all elements for removal and clicked OK.
When the disk cleanup was finished he decided to search for updates and saw Definition Update for Windows Defender – KB2267602 (Definition 1.237.316.0) – Error 0x80070643 (Retry)
All tries to install updates manually in WIndows Defender result in the same error 0x80070643 or “No internet connection.
How To Fix Error 0x80070643 While Installing KB2267602
Scroll down to “Antimalware and antispyware updates” paragraph.
Download the definitions installer for your operating system. In our case we download Defender’s definitions for Windows 10 x64:
Run the downloaded file:
Wait for a minute (nothing will open on your display).
Open Windows Defender and force the update: The definitions should now update normally.
If the error persists, reboot your PC and repeat the steps.
Unfortunately, this method is not a 100% solution. Please, share your experience in the comments section.
Adam Swift
Adam is a real tech maniac. He likes to spend time testing phones, tablets, laptops, as well as any other technical devices, and write practical manuals on their functions. He often sleeps all day, but always works at night. Adam bought his first computer in 1999, being an absolute beginner who never held a computer mouse in his hands. He began to study Windows, constantly experimented and often crashed the operating system. But six months later, he was able to reinstall Windows 98 from a scratch on his own, fix almost any software problem on a PC, he also did hardware upgrades and realized that computers, operating systems and programs are now his biggest passion. In addition, Adam has always been a big lover of phones. With the advent of smartphones with Android OS, he began to pick at them much more than in computers. Now Adam loves to study privacy issues in instant messengers, blocking unwanted calls and other nuances related to privacy and security on the network. You can follow him on Twitter: https://twitter.com/tunecomp