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Causes of Windows Defender A Network Error Occurred
Common Problems
Fix Windows Defender A Network Error Occurred
Fix Errors
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Windows Defender A Network Error Occurred
Support Guide
Fix Windows Defender A Network Error Occurred
Causes of Windows Defender A Network Error Occurred
Damaged registry files, malware, viruses, and corrupted data can result in Windows Defender A Network Error Occurred issues. These errors are often caused by improper maintenance of your system. If not fixed, this may lead to severe computer problems.
Common Symptoms
Windows Defender A Network Error Occurred error symptoms can include program lock-ups, slow PC performance, system freezes, startup and shut down problems, installation errors, and hardware failure.
Fixing the Problem
To ensure your PC is error free, it is highly recommended that you download and run the Windows Defender A Network Error Occurred repair tool SpeedyPC. It will fix the problems that can create these errors and prevent new ones from occurring.
Download Windows Defender A Network Error Occurred Repair Tool Download Windows Defender A Network Error Occurred Repair Tool  (5 MB)
*File size: 5 MB, Download time: <1min (Cable/DSL)
Windows Defender A Network Error Occurred
Instructions
STEP 1:
Download & run SpeedyPC.

STEP 2:
Click 'Scan' to search for errors.

STEP 3:
Click 'Fix All' and you're done!

Fix Your Computer Now

Certified for Windows 8, 7, Vista & XP
  7 Comments on "How to Fix Windows Defender A Network Error Occurred"

James C says: Topic: Support 
Problem solved! Thank you SOOO much!

Kim Chow says: Topic: Support 
I tried at least 7 different types of software and this SpeedyPC worked first try. Appreciate it!

ANNE says: Topic: Support 
it solved my problem and a few other errors it found with the scan

Rachel Adams says: Topic: Support 
I had the Windows Defender A Network Error Occurred error forever but this fixed it.

TripleRainbow says: Topic: Support 
What does it mean?!? It means my computer is happy again!

KarateDude says: Topic: Support 
I thought I was going to need to buy a new computer

MelanieS says: Topic: Support 
that fixed it, bless you

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When the System Properties comes up, you will want to go to the Advanced Tab. Have you been frustrated with the ones in your monitor of PC. So you can do it yourself by downloading a trusted registry cleaner. Do not worry! This will also cause your PC to start running slowly. Tired of blue screen error forever, you can do is to panic. But today, there are ways to prevent blue screen of death it is a good idea to prevent this cycle of reboots.
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