Today's Topic: Unexpected Error 1
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Repair - Unexpected Error 1.

Update Error 641 Issue
Windows system is widely used on users' computer but its stability is not so good as it declared. Update Error 641 issue can be one of the most frustrating computer problems and it can be shown as a dialog ERROR_IPSEC_INTEGRITY_CHECK_FAILED 0x365B IPsec integrity check failed.

Recommend: Unexpected Error 1 Removal -- Automatic fix with Simple Clicks
What Cause Unexpected Error 1?
It's really hard to say what the cause is of your problem. Update Error 641 problem can have a variety of other causes, includingThe common causes of Update Error 641 issue include IP address missing and Registry crashed and no permission to visit configurations, but most time, no consent to turn on web browser will rank first on the reasons list. Obviously, your next move should be fixing the error ASAP. Below are a few reasons of most common cause of Update Error 641 problems:
  • Approve failed to launch network
  • Not success to read data
  • Web removed
  • System file not compatible with operating system
  • System file lost
Consequences of Unexpected Error 1
"Unexpected Error 1" error is annoying, and malicious to your PC. Generally, "Unexpected Error 1" problem will popup repeatedly when you start personal computer or some applications. More serious condition is that - it will resulted in beakdown of your windows. To avoid the consequence, repair "Unexpected Error 1" instantly is urgent.
How to repair Unexpected Error 1?
Recommend: To repair the "Unexpected Error 1" error you just need to download and use the SmartPCFixer below. This repair tool will locate and identify, and fix Unexpected Error 1. Your computer should also run faster and smoother, and it could assist you to maintain your computer system regularly.
Download Windows Error Repair Tool *Size: 4.5 MB
Estimated Download Time < 60 Seconds on BroadBand

Manual Solution For Unexpected Error 1

For users who are professionals or have enough computer knowledge, you can try below solving method to fix Unexpected Error 1.

To check whether your hardware like printers, usb device connected with your pc, device manager can be very helpful, in below content, we will show you how to check hardware connection with computer.
1.Right click on computer icon on the desktop, choose Manage.

2.On the new appeared computer management window, you will find device manager on the left bar, click on it.

3.Now all the devices installed on your pc will be shown on the right side.
4.Click on related hardware, its model, driver version and other details will be shown.
Note: If a device has a yellow circle with an exclamation mark in the beginning under "Other devices" category, it means this device has conflict with other hardware, or this device is not installed properly. In addition, under other devices category, if there are unknown devices with exclamation marks, this indicates the windows has no proper driver to support these devices.


1. Open Device Manager.

2. Follow the instructions in the preceding procedure to uninstall the device.

3. If you are prompted to restart the computer, follow these steps:
Plug in the device and then restart the computer. The device will be detected and reinstalled after Windows restarts.
Follow any instructions on-screen to complete installation.
4. If you are not prompted to restart the computer, follow these steps:
In Device Manager, in the Action menu, click Scan for hardware changes.
Follow the instructions on the screen.


Warm Tips: If manual resolution can't repair your Update Error 641 problem, you'd better try the recommended repair tool.

Quick Solution to fix Unexpected Error 1

Let's get started:

Why recommend SmartPCFixer for Unexpected Error 1?

For your situation, SmartPCFixer can be helpful, besides repair Unexpected Error 1 error, you can enjoy better time when using your pc with following features:
  • Clean Bad Registry -- To end & fix errors caused by bad registry from your computer.
  • Remove Browser History -- Defend for your privacy and in case some personal detail being disclosed.
  • Force Uninstall Malware -- Say goodbye to malicious softwares and no need to worry about sensitive information.
  • Windows Update Automatically -- Take a cup of coffee and windows update installation will be done by itself.
  • Files Backup -- Awkward situtaion of checking all folders to look for a file won't happen again.
Then, now you can use Unexpected Error 1 repair tool, the SmartPCFixer to fix Unexpected Error 1 instantly, say goodbye to damn Unexpected Error 1!
Tags: Unexpected Error 1
  • STEP 1
    Download & Install SmartPCFixer
  • STEP 2
    Click the "Scan Button"
  • STEP 3
    Click Unexpected Error 1 and boost up your PC performance.
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