They might display error messages likeCan’t connector some error codes.

Sometimes, you may have to try more than one solution presented below to solve your connection issues.

However, it takes just a few minutes with each of my quick fixes.

A screenshot of firewall protection search on Windows

It’s easy locating the Windows Defender Firewall

If the internet is working everywhere except on your gear, try disconnecting and reconnecting it to the WiFi.

In case that doesnt work, restart the app and your equipment.

It’s also possible that the WiFi password has changed, so you should check that.

A screenshot of firewall protection search on Windows

It’s easy locating the Windows Defender Firewall

you might inspect the ethernet cable too a loose connection cant correctly transmit bandwidth.

In the event that all devices cant pull up the internet, switch off and start your router.

Contact your internet service provider (ISP) if the problem persists.

A screenshot of firewall protection search on Windows

Above all, your VPN should come with a kill switch that is always on.

Check the blocked apps list and make exceptions for your VPN if it isn’t allowed.

Here’s how it’s possible for you to do it.

A screen shot of apps listed on Windows Firewall

it’s possible for you to also choose another server and see if that solves the issue.

Choose a nearby server for faster speeds or a specific location to pull up the content you need.

Uninstall or disable all the VPNs except the one you currently want to use.

A screenshot of VPN app allowed on Windows Firewall

This helps to fix bugs and corrupted files that prevent connection.

plant the latest VPN app from the official site and try connecting again.

Its also a good idea to revamp your online window extension and reconnect a VPN.

A screenshot of macOS security and privacy user interface

Check (in the parameters) andsee if the selected protocol works with your equipment.

Try changing to the OpenVPN protocol (TCP or UDP) first.

This is the standard protocol for most devices.

A screenshot showing VPN allowed on macOS firewall

If the VPN is still not connecting, test the others, like WireGuard, IKEv2, or SSTP.

Some VPNs have aRestore Defaultsbutton if not, change the tunneling protocol toAutomaticor selectTCP/UDPif this option isnt available.

Sometimes the problem might be sparked by a kill switch, a custom DNS feature, or obfuscation tech.

Screenshot of ExpressVPN UI informing about a new update

Try turning them off and activating again to see if they cause the connection issue.

VPN port forwarding can add different port numbers that aren’t recognized by your connection firewall.

Go to your router unit options and manually allow the port numbers used by your VPN.

Screenshot of NordVPN’s general preferences

Also, do it only when you’re sure about the cause.

Reinstall the VPN if the problem persists.

In rare cases, your account information can automatically reset.

A screenshot of VPN UI showing changed account credentials

This happens due to infrastructure upgrades or when using free services.

Suspicious activity can also cause your account to be suspended or frozen.

Other times,your VPN wont connect because the subscription hasnt been renewed.

Small assortment of technological devices compatible with ExpressVPN.

Go to your providers website and try logging in to your account.

If you cant access it, change your password or contact support.

If your usual login is working normally, look to see if your subscription is still valid.

graphic of cyberghost 8 apps user interface on different devices like laptops, desktops, and smartphones

Remember to use complex passwords and change them regularly for better safety.

This is because the new OS version isn’t compatible with the VPN.

Update the app if you havent done so in a while.

Small assortment of technological devices compatible with Private Internet Access VPN.

If the problem starts immediately after updating your box or smartphones OS, try downgrading it.

Besides, you’re free to check the software community forum for other possible solutions.

Some software issues might be solved by closing some background programs or cleaning up the space on your disk.

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Also, check for security/parental controls on your router and disable them if necessary.

VPN providers offer these types of servers to reduce expenses or avoid strict operation laws in certain countries.

Confirm with the server list on the official website whether youre using a virtual one.

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Usually, the providers indicate which servers are virtual and which are physical.

Change to another, if possible, and see if it solves the problem.

Besides, public WiFi in cafes, schools, offices, and airports may not allow VPN traffic.

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Searching for mirror sites that might still be accessible in China beforehand is also a good idea.

Best VPNs for Quick Connections in 2025

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Furthermore, there are no bandwidth limitations, allowing for unrestricted online browsing.

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I got fast and steady connections while testing ExpressVPN.

Watching UHD content on our Netflix and BBC iPlayer accounts went smoothly (4K streaming requires only 25Mbps).

This is helpful if you travel to countries like China where some internet services arent working.

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The server internet spanning 105 countries lets you conveniently stream or access social media sites while on vacation.

Using the VPN online is very safe, thanks to military-grade encryption.

It scrambles all your internet traffic so no one can read your communications.

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This feature works along with IP/DNS/WebRTC leak protection to prevent your sensitive details from being exposed.

Other privacy measures include a no-logs policy.

The apps are intuitive, and it’s easy to change the tweaks if needed.

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Downloads are available for major devices, including Mac, Windows, and smartphones.

Besides, its possible to simultaneously connect up to 8 devices.

A small setback is the pricey plans, which start from$4.99/month.

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However,ExpressVPN regularly offers generous discounts.

I got61% off and 3 months for free while buying the 12-month subscription.

All the servers worked trouble-free.

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Its possible to stream high-quality content with no buffering, thanks to the fast speeds.

My colleagues had their base connection dropped by 8 to 12%, clocking in at around 46Mbps.

OpenVPN tunneling protocol, which works flawlessly on most devices, is also supported.

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CyberGhosts no-logs policy is transparent, having been independently audited by third parties like Deloitte.

it’s possible for you to contact customer support through 24/7 live chat if you need assistance with anything.

Besides, the VPN allows 7 simultaneous connections.

A screenshot of firewall protection search on Windows

One drawback is that the monthly subscription is relatively expensive and has only a 14-day money-back guarantee.

However,long-term plans are affordable, starting at just$2.03/month.

They also come with an extended refund period.

A screen shot of apps listed on Windows Firewall

I highly recommend the 2-year subscription for the best value for your money.

Getting a refund is hassle-free.

I sent my request via email, and the money was reflected on my credit card 3 days later.

A screenshot of VPN app allowed on Windows Firewall

Plus, the 24/7 live chat service is reliable.

Servers are distributed across 91 countries, giving you more connection options.

Like CyberGhost,PIA offers dedicated servers for streaming in the US and other locations.

A screenshot of macOS security and privacy user interface

So, its easy to access your favorite streaming platforms securely, wherever you are.

My teams speeds were only reduced by 15% from the base connections.

By default, the VPN uses fast and secure AES 128-bit encryption.

A screenshot showing VPN allowed on macOS firewall

Besides, OpenVPN protocol is offered, alongside Shadowsocks Proxy obfuscation, for easily getting around firewall blocks.

I was initially concerned that the VPN is headquartered in the US within the 5 Eyes Alliance.

However, PIA follows a strict zero-logs policy.

Screenshot of ExpressVPN UI informing about a new update

This means your sensitive information can’t be shared, even if legally requested, because its never stored.

you could get PIA for as low as$2.03/month.

I recommend the 3-year plan, which is the most pocket-friendly in the long run.

Screenshot of NordVPN’s general preferences

Most likely, your unit’s configs aren’t properly configured.Confirm first that your internet is working.

If youre using a mobile phone, disable battery saving/low power mode and reset your WiFi connection.

Next,check whether your iPhone or iPad firewall isnt blocking the VPN.

A screenshot of VPN UI showing changed account credentials

Also, see whether your connection parameters allow VPN traffic.

On the prompt, turn offPrivate WiFi Addressand try connecting the VPN.

What should I do if my VPN is malfunctioning on school WiFi?

Small assortment of technological devices compatible with ExpressVPN.

Go to your tweaks and switch to another port.

If online games are blocked when you use a VPN, try changing the servers.

ensure the game is supported in your chosen location.

graphic of cyberghost 8 apps user interface on different devices like laptops, desktops, and smartphones

Why did my VPN stop working after a Windows update?

Downgrading should be the last option, though you’ll miss important security updates.

Can a VPN be blocked?

Small assortment of technological devices compatible with Private Internet Access VPN.

However,an obfuscated VPN helps you access online services safelyfrom anywhere.

It camouflages your connection as regular internet traffic, so firewalls cant detect it.

Deep packet inspection can identify and block VPN traffic.

Some IP addresses might also be blocklisted by ISPs, data pipe administrators, and streaming platforms.

Why cant I send emails while using my VPN?

Thats why its recommended tochoose a VPN with a vast server networkand try connecting to another one.

Sometimes your VPN can block an email services port.

For example, ExpressVPN blocks TCP port 25 to protect you from spam and malware.

You might try switching to more secure and common ports, such as 587 or 465.

This enables you to tweak a few parameters and fix the issue without any help.

All the servers are obfuscated to effortlessly get around data pipe blocks, especially on public WiFi.

Visit ExpressVPN

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