
- “UCBrowser not allowed” Error: This error message occurs when the website or app you are trying to access is not allowing UC Browser to connect. Try accessing the website or app using a different browser, or contact the website or app administrator to inquire about why UC Browser is being blocked.
- Slow loading or crashing: This issue can be caused by a variety of factors, such as outdated software, a weak internet connection, or too many tabs or background apps running. Make sure you have the latest version of UC Browser installed, close unnecessary tabs and apps, and check your internet connection.
- Not able to download files: This issue can be caused by a lack of storage space on your device or a problem with the download server. Make sure you have enough storage space on your device, and try downloading the file at a later time when the server may be less busy.
- Error while trying to open a link: This issue can be caused by a problem with the link itself or with the settings of the browser. Check the link to make sure it is valid, and if it is, try clearing your browser’s cache and cookies.
- Ad-blocker not working: This issue can be caused by a problem with the ad-blocker itself or with the settings of the browser. Check the ad-blocker to make sure it is enabled, and try disabling and then re-enabling it. If the issue persists, try using a different ad-blocker extension.
Random freezes and crashes
“UCBrowser not allowed” to function due to random freezes and crashes can be caused by several factors.
- Outdated software: Make sure you have the latest version of UC Browser installed. An outdated version of the browser may contain bugs that can cause freezing and crashing.
- Overloaded device: Running too many apps or having too many tabs open at the same time can cause a device to slow down and may lead to freezing and crashing.
- Insufficient memory: If your device does not have enough memory to run the browser, it may freeze or crash. Try closing unnecessary apps and tabs and clearing your cache and cookies to free up memory.
- Corrupted files: Files in the browser can become corrupted causing the browser to freeze or crash. Try clearing your browser’s cache and cookies, or reinstalling the browser.
- Conflicting apps or extensions: Some apps or extensions may conflict with UC Browser and cause freezing and crashing. Try disabling or uninstalling any apps or extensions that you think may be causing the issue.
If none of the above solutions work, consider contacting the UC Browser support team for further assistance.
Clear app cache and data
Clearing the app cache and data can be an effective solution for resolving “UCBrowser not allowed” to function due to random freezes and crashes.
- Go to your device’s settings menu and find the “Apps” or “Application Manager” option.
- Locate UC Browser in the list of installed apps and select it.
- Tap on the “Storage” or “Clear data” option.
- Confirm the action by tapping “OK” or “Delete.”
By clearing the app cache and data, you remove any temporary files or data that may be causing the freezing or crashing issues. This can help improve the performance of UC Browser. Please note that by clearing the cache and data, you will lose your browsing history, saved passwords, bookmarks, and other settings. You may have to set these preferences again.
If the issue persists after clearing the cache and data, you may want to try other solutions such as checking for updates, closing unnecessary apps and tabs, or reinstalling the browser.
Make sure all necessary permissions are enabled
Ensuring that all necessary permissions are enabled can also help resolve “UCBrowser not allowed” to function due to random freezes and crashes.
- Go to your device’s settings menu and find the “Apps” or “Application Manager” option.
- Locate UC Browser in the list of installed apps and select it.
- Tap on the “Permissions” option.
- Make sure that all necessary permissions are enabled, such as “Internet access,” “Storage access,” “Location access,” etc. Some apps or feature of UC Browser may not function if the necessary permissions are not enabled.
- If you find any disabled permission, enable it by switching the toggle to the right.
By ensuring that all necessary permissions are enabled, you allow UC Browser to access the device’s resources and features it needs to function . This can help improve the performance of the browser and fix freezing and crashing issues.
If the issue persists after enabling all necessary permissions, you may want to try other solutions such as clearing the cache and data, checking for updates, closing unnecessary apps and tabs, or reinstalling the browser.
UC Browser not being able to connect to the internet | UC Browser Common Issues
UC Browser not being able to connect to the internet is a common issue. Below are some possible solutions for resolving this “UCBrowser not allowed” to connect to the internet issue.
- Check your internet connection: Make sure your device is connected to a stable internet connection. Try restarting your router or switching to a different network if the issue persists.
- Check your browser settings: Go to the settings menu of UC Browser and make sure that the “Data savings” or “Data compression” option is not enabled. This feature may block certain connections, preventing the browser from accessing the internet.
- Check proxy settings: Go to the settings menu of UC Browser and make sure that the proxy settings are not enabled or configured. A misconfigured proxy can prevent the browser from connecting to the internet.
- Disable VPN or proxy apps: Some VPN or proxy apps may interfere with the browser’s ability to connect to the internet. Try disabling or uninstalling any VPN or proxy apps that you have installed on your device.
- Disable firewalls or antivirus software: Firewalls or antivirus software may block the browser’s connection to the internet. Try disabling or temporarily uninstalling these programs and then test the browser’s internet connectivity.
If none of the above solutions work, consider contacting the UC Browser support team for further assistance.
Restart the device
Restarting the device is a simple solution that can resolve “UCBrowser not allowed” to connect to the internet issue.
- Press and hold the power button on your device until the power menu appears.
- Select “Restart” or “Reboot” from the power menu.
- Wait for the device to complete the restart process before reopening UC Browser.
By restarting the device, you can clear any temporary bugs or issues that may be preventing the browser from connecting to the internet. This can help improve the performance of the browser and fix the connection issue.
If the issue persists after restarting the device, you may want to try other solutions such as checking the browser settings, disabling VPN or proxy apps, disabling firewalls or antivirus software, or contacting the UC Browser support team for further assistance.
Turn on Airplane mode and turn it off

Turning on and off Airplane mode is a simple solution that can resolve “UCBrowser not allowed” to connect to the internet issue.
- Go to your device’s settings menu and find the “Airplane mode” option.
- Turn on the Airplane mode by switching the toggle to the right.
- Wait for a few seconds and turn off the Airplane mode by switching the toggle to the left.
- Wait for the device to reconnect to the internet, and then open UC Browser.
By turning on and off Airplane mode, you can reset the device’s network settings, which can help fix connectivity issues. This can help improve the performance of the browser and fix the connection issue.
If the issue persists after turning on and off Airplane mode, you may want to try other solutions such as restarting the device, checking the browser settings, disabling VPN or proxy apps, disabling firewalls or antivirus software, or contacting the UC Browser support team for further assistance.
Reset Network Settings
Resetting network settings is a solution that can resolve “UCBrowser not allowed” to connect to the internet issue.
- Go to your device’s settings menu and find the “Network & Internet” or “Connections” option.
- Locate the “Reset Network Settings” option and tap on it.
- A prompt will appear asking you to confirm the action, select the “Reset” or “Reset settings” button.
- Wait for the device to complete the reset process, and then open UC Browser.
By resetting network settings, you can clear any bugs or issues that may be preventing the browser from connecting to the internet, this can include misconfigured settings, incorrect proxy settings, and VPN errors. This can help improve the performance of the browser and fix the connection issue.
Keep in mind that this action will erase all saved network settings, such as Wi-Fi passwords, VPN configurations, and cellular settings.
If the issue persists after resetting network settings, you may want to try other solutions such as restarting the device, checking the browser settings, disabling VPN or proxy apps, disabling firewalls or antivirus software, or contacting the UC Browser support team for further assistance.
Error while downloading files and documents
One of the common issues that users may experience while using UC Browser is “UCBrowser not allowed” to download files and documents. There are a few solutions that can help fix this issue.
Solution 1: Check the file size and format
Make sure that the file you are trying to download is not too large or in a format that is not supported by UC Browser. Some files may be too large to download, or the browser may not support certain file types.
Solution 2: Check the internet connection
Ensure that your device is connected to a stable internet connection. A weak or unstable connection can cause issues with downloading files.
Solution 3: Check the download settings
Check the download settings in UC Browser to ensure that the downloads are not being blocked by a firewall or antivirus software.
Solution 4: Clear the browser cache and data
Clearing the browser’s cache and data can help resolve the issue. This can help to remove any temporary files or data that might be causing the problem.
If the issue persists after trying these solutions, you may want to contact the UC Browser support team for further assistance.
Disable Battery Optimization
UCBrowser not allowed to download files and documents can also be caused by battery optimization settings on your device.
Solution: Disable Battery Optimization
- Go to your device’s settings and find the “Battery” or “Battery Optimization” option.
- Locate the UC Browser app in the list of apps and select it.
- Change the setting to “Don’t optimize” or “Off” to disable battery optimization for UC Browser.
By disabling battery optimization, you can ensure that UC Browser is not put to sleep while downloading files, so that the downloads can be completed without interruption.
Keep in mind that disabling battery optimization can cause the app to consume more battery power, so you should consider the impact on your device’s battery life.
If you still facing the issue after disabling battery optimization, you may want to try other solutions such as restarting the device, checking the browser settings, disabling VPN or proxy apps, disabling firewalls or antivirus software, or contacting the UC Browser support team for further assistance.
Out of Space error | UC Browser Common Issues

“UCBrowser not allowed” to download files or documents due to out of space error is one of the common issues faced by users. There are a few solutions that can help fix this issue.
Solution 1: Free up space on the device
Check the available storage on your device and remove any unnecessary files, apps, or media to free up space. This can help to ensure that there is enough space to download files.
Solution 2: Move files to an external storage device
If your device does not have enough storage, you can move files to an external storage device such as an SD card or a USB drive.
Solution 3: Clear the browser’s cache and data
Clearing the browser’s cache and data can help to free up space. This can remove any temporary files or data that might be causing the problem.
Solution 4: Check the download settings
Check the download settings in UC Browser to ensure that the files are being downloaded to the correct location. This can help to prevent the browser from attempting to download files to a location that does not have enough space.
If the issue persists after trying these solutions, you may want to contact the UC Browser support team for further assistance.
Frequently Ask Questions
Why can’t i download videos on UC Browser?
UC Browser is a popular mobile browser that allows users to download videos, but sometimes users may encounter issues when trying to download videos. There are a few reasons why “UCBrowser not allowed” to download videos:
Reason 1: Video not supported
Some videos may not be supported by UC Browser, and therefore cannot be downloaded. This is usually the case with videos that are embedded in a website and are not linked to the video file.
Reason 2: Download settings
UC Browser allows users to control the download settings. If the settings are not configured , it may “UCBrowser not allowed” to download videos. To check the download settings, tap on the three dots icon located on the top right corner of the screen and select “Settings” > “Downloads.”
Reason 3: Network connection
A poor or unstable network connection can also prevent videos from being downloaded. Make sure you have a stable internet connection before trying to download a video.
Reason 4: Insufficient storage
If your device does not have enough storage, it may “UCBrowser not allowed” to download videos. Make sure you have enough storage on your device before trying to download a video.
If you have tried all the above solutions and still “UCBrowser not allowed” to download videos, you may want to contact the UC Browser support team for further assistance.
How do I restore closed tabs in UC Browser?
Closing tabs in UC Browser can be frustrating, but there are a few ways to restore closed tabs.
Solution 1: Use the “Recently Closed Tabs” option
UC Browser has a “Recently Closed Tabs” option that allows you to restore closed tabs. To access this option, tap on the three dots icon located on the top right corner of the screen and select “Recently Closed Tabs.” This will display a list of the tabs that you have recently closed, and you can select the tab you want to restore.
Solution 2: Use the “History” option
Another way to restore closed tabs is to use the “History” option. To access the history, tap on the three dots icon located on the top right corner of the screen and select “History”. This will display a list of all the websites you have visited, you can select the website you want to restore.
Solution 3: Use keyboard shortcuts
You can also use keyboard shortcuts to restore closed tabs. Press “Ctrl+Shift+T” (Windows) or “Cmd+Shift+T” (Mac) to restore the last closed tab.
It is important to note that the option to restore closed tabs may be unavailable if you have “UCBrowser not allowed” the browser to save your browsing history.
If none of these solutions work, you may want to contact the UC Browser support team for further assistance.