若Windows桌面背景自動更改，通常由個性化設(shè)置、第三方軟件或組策略引起，可通過以下方法解決：首先檢查個性化設(shè)置是否啟用了幻燈片放映模式並更改為靜態(tài)圖片；其次排查是否有惡意軟件或第三方工具並卸載；最後高級用戶可檢查組策略或註冊表設(shè)置。按照順序排查問題可有效解決桌面背景自動更改的情況。

If your desktop background keeps changing in Windows, you're not alone — this is a fairly common issue that can be caused by a few different things. The good news is, most of the time it's not a serious system problem, and there are some clear ways to fix or prevent it.

Check Your Personalization Settings

One of the most common reasons your desktop background keeps changing is due to the personalization settings in Windows. If you've set your background to a slideshow or a specific theme that cycles images, Windows will automatically switch the wallpaper at set intervals.

To check this:

• Right-click on the desktop and select Personalize .
• Look at the Background option — if it's set to Slideshow , that's likely the cause.
• Change it to a static image or solid color if you want it to stay consistent.

Also, check if you're using a Microsoft account — some themes and backgrounds sync across devices, which might be changing your wallpaper unexpectedly.

Look for Third-Party Software or Malware

Some applications, especially third-party wallpaper tools or even adware, can change your desktop background without your permission. This is more common than people think, especially if you've installed software from unofficial sources.

Here's what you can do:

• Review recently installed programs and uninstall anything suspicious or unnecessary.
• Run a full system scan using Windows Defender or a trusted antivirus tool.
• Check your startup programs — sometimes these apps run in the background without you realizing.

If you notice other odd behavior like unexpected pop-ups or browser redirects, it's even more likely you're dealing with unwanted software.

Group Policy or Registry Settings (For Advanced Users)

If you're on a managed device (like a work or school computer), it's possible that group policy settings are forcing the wallpaper to change. In some cases, registry settings might also be altered, especially if malware has tampered with them.

What you can try:

• Press Win R , type gpedit.msc , and check under User Configuration > Administrative Templates > Desktop > Active Desktop .
• If you see any enforced wallpaper settings, disable them.
• For registry changes, you'd need to navigate to HKEY_CURRENT_USER\Control Panel\Desktop and look for suspicious entries — but only do this if you're comfortable editing the registry.

This is more of an advanced fix, so if you're unsure, it might be best to seek help or avoid making registry changes.

If you've gone through these steps and the problem still happens occasionally, it might be worth checking for Windows updates or resetting personalization settings. Sometimes a simple restart after making these changes can help lock things in place.

基本上就這些。

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