- Windows Update can't be installed
- Windows Update can't be upgraded
- Windows Update error message pops up
- program hangs forever
- take 10 minutes for program respond
code 80072efe windows update encountered an unknown error could happen when the hard disk has not sufficient space.
computer BIOS might be incompatible or it might need to be updated.
video adapter drivers may be incompatible
device driver or a system service might be missing.
Bad third party program.
- cluttered files over years
- multiple security programs
- poor server optimization
- recently installed Windows Update updates or drivers
- slow server
An efficient way to fix this code 80072efe windows update encountered an unknown error is to use SmartPCFixer. We suggest you to do the below steps.
1. Click the below button to download SmartPCFixer.
2. Launch SmartPCFixer and run a complete scan for your PC.
3. Click Fix all to get rid of code 80072efe windows update encountered an unknown error.
1. Uninstall the program which you installed lately.
Run SmartPCFixer, choose System Tools, and click Uninstaller, then choose the software you have just installed.
2. Update your Unknown to the latest version.
For windows 7 users:
Click Start, and search windows update as the pictures below:
Click check for update, and update all the important updates which windows recommend for you.
3. System restore is always the best way to get rid of code 80072efe windows update encountered an unknown error problems.
Please visit Microsoft website to
Windows 10 system restore:
Windows 7 8 system restore:
From all the consideration above, it is obvious that troubleshoot code 80072efe windows update encountered an unknown error is not that easy for people. We suggest people use SmartPCFixer to tackle with this problem.
1. You must run as an administrator, no matter what steps you will do about your PC.
2. According to the version of Windows you're using, the above steps may be slightly different, but the basic process is mostly the same.
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