Windows update error 643 – Tips to fix

To ensure smooth functioning of Windows, new updates are necessary but Error 643 stops your windows from updating.

Here at Tech-Assured, we provide assistance for all types of Windows errors as a part of our Server management service.

Let’s see the causes & fixes to it

• Corrupted files
• Software conflicts
• Registry issues
• Malware infection

• Step 1
  Sometimes, Windows updates might stop due to conflicts with third-party security             software. So, it is important to turn off the security software.

• Step 2
  Malware attack can prevent Windows from updating which can cause Error 643. So you may run a malware scan using a third-party software or Windows defender.

• Step 3
  Since the updates are downloaded online, network issues can also be a reason for Error 643. So, you need to check for network issues from control panel.
  Control panel > Network and Internet > Network and sharing center > Fix a network problem

• Step 4
  If issue persists even after fixing the connectivity problems, then you may have to update network adapter drivers.
  Device manager > network adapter > update

• Step 5
  If you are still getting the Error 643 even after following all the steps then you may try System restore option