Protection definition update failed. Error Code:

2023年11月22日 — We have compiled a list of common Windows Defender Antivirus error codes and how to fix them so you know what to do when you get one.

2018年2月2日 — I Haven't updated my windows defender since December last year I tried updating it today and got this: Protection definition update failed.

2017年11月21日 — The issue that you've encountered regarding the error code that you receive when updating the software on your Windows 10 computer may be caused ...

2021年3月15日 — Definition Update for Windows Defender Antivirus - KB2267602 (Definition 1.259.209.0) - Error 0x80070643 ... 2147023278. How to troubleshoot ...

2023年12月11日 — Definition Update for Windows Defender Antivirus - KB2267602 (Definition 1.259.209.0) - Error 0x80070643 ... 2147023278. How to troubleshoot ...

2018年7月22日 — Windows Defender is no upgrading its virus definition. Product definition update failed. Error Description: Another installation is already ...

2020年4月25日 — It mainly occurs if your Windows Updates don't install properly or your system got shutdown while update installing. · Slow internet connection ...

windows defender 2147023278〕相關標籤文章第1頁：windows definder更新提示2147023278错误,2021年5月10日— 按Windows+R输入gpedit.msc打开展开计算机配置—管理 ...