0x80780166 may pop up 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.
- Start computer in safe mode to fix 0x80780166
Boot up your computer, press F8. Your computer will enter into safe mode to run.
- Update computer outdated drivers manually.
Click Start, type Device Manager in the searching box and see if there is outdated or corrupted driver issues.
Check for windows update with the help of SmartPCFixer
Lionsea's technical team developed windows update function to help users largely save time and check for the latest windows update.
Launch the software and click System Tools, Windows update step by step.
From all the reasons above, it is obvious that solving 0x80780166 is not that easy for people. We highly recommend people try SmartPCFixer to cope with this problem.
1. You must run as an administrator, no matter what steps you will do about your PC.
2. According to your computer windows system, the above steps may be slightly different, but the basic process is mostly the same.