Resolution. To fix this problem automatically, run the "Fix problems that programs cannot be installed or uninstalled" troubleshooter to repair issues that block program installation or removal because of corrupted registry keys.Important To perform many of the methods and steps in this article, you must be logged on to your computer as an administrator.

注意: 删除所有内容 > 更改设置 提供了两个选项。. 打开数据擦除会删除文件并清理驱动器。如果你打算捐赠、回收或出售你的电脑，请使用此选项。 这可能需要一或两个小时的时间，但也会让其他人难以恢复你删除的文件。

Следвайте тези стъпки, за да изключите временно антивирусната защита defender в Защита в Windows. Не забравяйте, че ако го направите, устройството ви може да бъде изложено на заплахи.

Note: If you have a suite such as Microsoft 365 Family, Office Home & Student 2016, or Office Home and Student 2013, search for the suite name, even if it's just a particular application you want to repair such as Word or Excel.If you have a standalone application such as Word or Excel, search for the application name.

If the Encrypt contents to secure data check box is selected, you have to have the certificate that was used to encrypt the file or folder to be able to open it. In this situation, you should obtain the certificate from the person who created or encrypted the file or folder, or have that person decrypt the file or folder.

Junk email and open relays. Unsolicited commercial email is sometimes called junk mail or spam. The main reason that junk email continues to increase in volume is that it costs the person who sends it virtually nothing to send; in fact, the senders don't even have to send the junk email through the SMTP (outgoing) email server of their own ISP.

Windows 8.1 Update and Windows RT 8.1 Update (also known as KB 2919355) include improvements that make your favorite apps and settings easier to find and use, provide more familiar mouse and keyboard options, and update security and performance.Here’s what you need to know about installing this important update. Check to see if it’s already installed

When an update is available in the Teams desktop app, it'll appear at the top of your Teams window. To update, select Update > Update and restart Teams .. Teams will automatically close and update.

Discusses why Microsoft Windows AntiSpyware (Beta) identifies a program as a spyware threat and lists the scoring criteria that is used. Explains what you should do if your program is incorrectly identified as spyware.

注意: 选择自定义电源计划时，可能无法更改电源模式。如果在 Power & 电池设置中无法设置电源模式，请打开"控制面板"，选择"系统和安全">"电源选项"，然后选择"均衡电源计划"。