An FS *BITGUARDIAN charge on your credit card, debit card, or bank statement most likely relates to software purchased from Bit Guardian GmbH, a German developer of Windows security, privacy, driver, performance, and utility applications.
The payment may have been processed through FastSpring, a billing and subscription platform used by Bit Guardian. It could represent a new software license, a free trial that converted into paid service, an automatic subscription renewal, an upgrade, or another Bit Guardian product purchase.
What Is the FS *BITGUARDIAN Charge?
The strongest explanation is a purchase from Bit Guardian GmbH.
Bit Guardian currently develops and markets products such as:
- Ad Guardian Plus
- Bit Driver Updater
- Win Riser
- Bit Game Booster
- Win Guardian
- BitSafe Anti-Malware
- Bit Guardian Firewall
- Bit Guardian Parental Control
An FS BitGuardian transaction may involve:
- A new software license
- An Ad Guardian Plus subscription
- A driver-updater or PC-optimization purchase
- A seven-day trial that continued as paid service
- An automatically renewed license
- A software upgrade
- A license for more than one device
- A purchase made through another Bit Guardian product website
- A payment made by another authorized cardholder
- A duplicate, incorrect, or unauthorized transaction
The descriptor alone does not identify the exact software, license period, device, customer email, order number, or person who authorized the payment.
What Does FS Mean in FS *BITGUARDIAN?
The `FS` prefix most likely relates to FastSpring, which processes Bit Guardian’s billing.
FastSpring acts as a reseller and merchant of record for software companies. This means it may:
- Process the card payment
- Issue the receipt
- Manage subscription renewals
- Handle tax or VAT
- Assist with cancellation and refunds
- Appear in the merchant or processor information
Bit Guardian’s own privacy information says its billing is processed through FastSpring.
Possible FastSpring-related wording may include:
- FS *BITGUARDIAN
- FS BITGUARDIAN
- FSPRG *BITGUARDIAN
- FSPRG.COM
- FASTSPRING
- FS followed by a Bit Guardian product name
The exact wording varies by bank, payment method, country, and product.
Is Bit Guardian Legitimate?
Bit Guardian GmbH is an identifiable software company with an active website, current product catalog, German company address, support email, refund policies, and published legal information.
That does not automatically mean a particular charge was authorized.
A genuine Bit Guardian descriptor may still result from:
- A forgotten software purchase
- A subscription that renewed automatically
- A free trial that became paid
- A product installed by another household member
- A work or business software purchase
- A second Bit Guardian product
- A duplicated transaction
- An account or card used without permission
Verify the exact order, customer email, product, and subscription status before deciding whether the payment is legitimate.
Common FS BitGuardian Statement Variations
Possible or historically reported wording includes:
- FS *BITGUARDIAN
- FS BITGUARDIAN
- FS *BIT GUARDIAN
- FS *BITGUARD
- FS *BITGUARDIAN CA
- FS *BITGUARDIAN 888-655-0203
- FS *BITGUARDIAN 877-327-8914 CA
- FSPRG *BITGUARDIAN
- BIT GUARDIAN GMBH
- BIT-GUARDIAN.COM
- RECURRING BITGUARDIAN
- PENDING FS *BITGUARDIAN
- FS *BITGUARDIAN REFUND
These are comparison examples and historical search variations, not a complete current official descriptor list.
Copy the complete wording from your statement before contacting support.
Why Is Bit Guardian Charging Me?
You Purchased Ad Guardian Plus
Ad Guardian Plus is a Windows application designed to block advertisements, trackers, phishing pages, and potentially malicious websites.
Its official terms currently describe:
- A seven-day free trial
- A paid subscription license after the trial
- Use on the number of devices covered by the purchased license
- Automatic subscription extension or rebilling when agreed during checkout
Search the computer for an installed application named Ad Guardian Plus.
You Purchased Another Bit Guardian Product
The charge may instead involve:
- Bit Driver Updater
- Win Riser
- Bit Game Booster
- Win Guardian
- BitSafe Anti-Malware
- Bit Guardian Firewall
The statement may show Bit Guardian rather than the product name remembered by the purchaser.
A Trial Converted Into a Paid Subscription
A charge may appear when:
- Software was downloaded and installed
- A trial was activated
- Payment details were entered
- The trial was not canceled before it ended
The exact trial and subscription terms depend on the product and checkout offer.
A Subscription Renewed Automatically
Bit Guardian’s software terms describe automatic rebilling for certain subscription products.
A renewal may be difficult to recognize because:
- The original purchase occurred months earlier
- The product is no longer used regularly
- The receipt was sent to another email address
- The charge shows Bit Guardian or FastSpring instead of the product name
- The software was uninstalled but the subscription remained active
Another Authorized User Purchased the Software
The software may have been purchased by:
- A spouse or partner
- A family member
- An adult child
- An employee
- An IT contractor
- Another authorized cardholder
Ask all authorized users and check every computer before reporting the charge as fraud.
How to Identify an FS *BITGUARDIAN Charge
1. Copy the Complete Transaction Details
Record:
- The complete merchant descriptor
- The amount
- The transaction date
- The posting date
- Whether it is pending or completed
- Whether it is marked recurring
- Any telephone number
- Any location
- Any additional product wording
Do not post full card numbers, bank details, order references, or license keys publicly.
2. Search Every Email Account
Search for:
- Bit Guardian
- BitGuardian
- FastSpring
- FSPRG
- Ad Guardian Plus
- Bit Driver Updater
- Win Riser
- Software license
- Subscription renewal
- The exact transaction amount
Check spam, trash, promotions, archived mail, work email, and accounts used by other authorized cardholders.
3. Check Installed Applications
On a Windows computer:
- Open Windows Settings.
- Select Apps.
- Open Installed apps or Apps & features.
- Search for Bit Guardian product names.
- Record the product name before removing anything.
Also check:
- The Start menu
- Desktop shortcuts
- Download folders
- Browser download history
- Other household or business computers
4. Use FastSpring Buyer Support
FastSpring may be able to locate the transaction using the charge date, amount, currency, purchaser information, or limited payment details.
Use the official:
FastSpring Buyer Support portal
Its current options include:
- Question a charge
- Request a refund
- Cancel a subscription
- Create a support case
Only enter payment information on the official FastSpring website.
5. Ask the Card Issuer for Expanded Merchant Details
Ask the bank or card company for:
- The complete legal merchant name
- The payment processor
- The merchant country
- The merchant category
- Whether the payment was recurring
- Whether it was online or card-on-file
- Whether the transaction was retried or duplicated
How to Cancel a Bit Guardian Subscription
Bit Guardian’s current FAQ directs customers to contact support to cancel an Ad Guardian Plus subscription.
Email:
Include:
- Your full name
- The email used during purchase
- The order or reference number
- The software product
- The transaction date and amount
- A clear request to stop automatic renewal
Also use:
Request written confirmation that:
- The subscription has been canceled
- Automatic renewal is disabled
- No additional product subscriptions remain active
- The current license expiration date is confirmed
Does Uninstalling Bit Guardian Stop the Charges?
Not necessarily.
Uninstalling removes software from the device, but it may not:
- Cancel the subscription
- Disable automatic renewal
- Close the FastSpring order
- Cancel another Bit Guardian product
- Create a refund
For the safest result:
- Identify the exact product.
- Cancel the subscription through support or FastSpring.
- Save written confirmation.
- Then uninstall the application.
- Monitor the next expected renewal date.
How to Uninstall Ad Guardian Plus
On current Windows systems:
- Open Settings.
- Select Apps.
- Open Installed apps or Apps & features.
- Find Ad Guardian Plus.
- Select Uninstall.
- Complete the prompts.
Bit Guardian also publishes official:
Again, uninstalling and canceling billing are separate actions.
Can I Get a Bit Guardian Refund?
Refund eligibility depends on:
- The specific software product
- The subscription term
- The purchase date
- The checkout offer
- Whether FastSpring processed the transaction
- Whether the license has been used
- The applicable product and consumer-withdrawal terms
Bit Guardian currently publishes more than one refund timeframe.
General Bit Guardian Withdrawal Policy
The company’s general return page currently says consumers may exercise a right of withdrawal within 60 days of the contract date.
The request should clearly state the decision to withdraw and may be sent to:
Ad Guardian Plus Refund Policy
The current Ad Guardian Plus policy separately advertises a 30-day money-back guarantee for qualifying one-year subscriptions.
Refund requests should be directed to:
Because the published terms differ, ask Bit Guardian or FastSpring to confirm in writing which policy applies to the exact product and order.
Do not assume that canceling automatically creates a refund.
What Is 888-655-0203?
The earlier version of this article listed:
1-888-655-0203
Searches may also show:
- 8886550203
- 888-655-0203
- FS *BITGUARDIAN 888-655-0203
That number was not found on the current official Bit Guardian, Ad Guardian Plus, or Bit Driver Updater pages reviewed for this update.
Do not provide card or account information to that number based only on an old article or search result.
Use the current official routes instead:
Current Bit Guardian Contact Information
- Official website: Bit Guardian GmbH
- Products: Bit Guardian Products
- Contact form: Contact Bit Guardian
- Support email: support@bit-guardian.com
- Withdrawal email: info@bit-guardian.com
- Current company number shown on product sites: +49 89 89827904
- Working hours: Monday–Friday, 10:00 a.m.–7:00 p.m. GMT+2
Company Address
Bit Guardian GmbH
Am Kirchenhölzl 14
82166 Gräfelfing
Germany
The email, official form, and FastSpring Buyer Support are generally the most practical billing routes for U.S. consumers.
Why Are There Two FS BitGuardian Charges?
Two entries may represent:
- Two different software products
- A new purchase and a renewal
- More than one device license
- Two customer email addresses
- A pending authorization and completed payment
- A failed payment followed by a successful retry
- A refund beside the original transaction
- A true duplicate payment
- Repeated unauthorized transactions
Compare the amount, date, status, product, FastSpring receipt, and customer email for each transaction.
What If I Never Purchased Bit Guardian Software?
If neither you nor another authorized user recognizes the charge:
- Confirm whether it is pending or completed.
- Copy the complete descriptor.
- Search every email account for Bit Guardian and FastSpring.
- Check installed applications on every relevant computer.
- Ask family members, employees, and other authorized cardholders.
- Contact Bit Guardian through an official route.
- Use FastSpring Buyer Support to locate the order.
- Ask that any unauthorized subscription be canceled.
- Change relevant account and email passwords.
- Lock the card if additional suspicious attempts appear.
- Contact the issuer using the number printed on the card.
- Ask whether the payment card should be replaced.
A genuine Bit Guardian or FastSpring descriptor does not prove that the cardholder authorized the software purchase.
Watch Out for Fake Bit Guardian Support
Software-charge searches can attract fake technical-support and refund offers.
Never provide an unexpected caller or unofficial website with:
- Your complete card number
- Your bank password
- Your email password
- Your PIN or CVV code
- A one-time authentication code
- Remote access to your computer
- Gift-card numbers
- Cryptocurrency
- An additional payment to release a refund
Use only official Bit Guardian product domains, FastSpring Buyer Support, and the number printed on the back of your payment card.
Credit Card and Debit Card Dispute Guidance
- CFPB credit-card dispute guidance
- FTC credit-card billing guidance
- CFPB unauthorized debit-card guidance
Uninstalling software, canceling a subscription, requesting a refund, and disputing an unauthorized card transaction are separate processes.
Consumer Reports and Experiences
There are currently two visible consumer reports on this ChargeOnMyCard.com page.
The reports include:
- One commenter who said they did not sign up for Bit Guardian
- One commenter who reported two charges they considered unauthorized
The comments do not identify:
- The exact Bit Guardian product
- A FastSpring receipt
- The purchase email address
- The subscription term
- A completed cancellation
- A refund decision
- A final card-dispute result
These are individual consumer allegations and do not establish that every FS *BITGUARDIAN transaction is unauthorized.
ChargeOnMyCard.com cannot access Bit Guardian, FastSpring, software-license, subscription, card, bank, refund, or dispute accounts. It cannot cancel a subscription, uninstall software, issue a refund, or file a financial dispute.
Frequently Asked Questions About FS *BITGUARDIAN Charges
What is FS BitGuardian on my credit card?
It most likely represents a Bit Guardian software purchase or subscription processed through FastSpring.
What does FS stand for?
It likely refers to FastSpring because Bit Guardian says FastSpring processes its billing. The exact abbreviation should still be confirmed through the receipt or card issuer.
What products does Bit Guardian sell?
Its current products include Ad Guardian Plus, Bit Driver Updater, Win Riser, Bit Game Booster, Win Guardian, BitSafe Anti-Malware, and Bit Guardian Firewall.
Is FS *BITGUARDIAN a recurring subscription?
It may be. Ad Guardian Plus and some other software products may use subscription licensing and automatic renewal.
Does Ad Guardian Plus have a free trial?
Its current agreement describes a seven-day free trial followed by a paid subscription license for continued use.
How do I identify the exact product?
Search for Bit Guardian and FastSpring receipts, check installed applications, ask other users, and use FastSpring Buyer Support.
How do I cancel Bit Guardian?
Email support@bit-guardian.com with the purchaser name, email, product, order reference, and a clear request to stop renewal. You can also use FastSpring Buyer Support.
Does uninstalling stop the subscription?
Not necessarily. Cancel the recurring billing separately and save confirmation before uninstalling.
Can I get a refund?
Possibly. The applicable period depends on the product and order. Bit Guardian publishes a general 60-day withdrawal policy, while Ad Guardian Plus advertises a 30-day guarantee for certain one-year subscriptions.
What is 888-655-0203?
It is a historical number associated with older Bit Guardian charge information, but it was not found on the current official pages reviewed. Use the current email, contact form, FastSpring portal, or German company number.
What is Bit Guardian’s current phone number?
Current Bit Guardian product websites list +49 89 89827904.
Why are there two BitGuardian charges?
They may be different products, a purchase and renewal, two licenses, a pending and completed entry, a retry, or a true duplicate.
What should I do if I never bought the software?
Use FastSpring and Bit Guardian support to identify the order, secure your accounts and card, and report the transaction promptly to the issuer if it remains unauthorized.
Related Software and Billing Charge Guides
- FSPRG.COM and FastSpring Software Billing Charge
- How to Investigate an Unrecognized Card or Bank Charge
The FSPRG guide explains FastSpring’s broader billing system. It should not be used as proof that an unrelated FastSpring purchase came from Bit Guardian.
Help Other Cardholders Identify FS *BITGUARDIAN
If you saw FS *BITGUARDIAN, FS BIT GUARDIAN, FS *BITGUARD, or another variation, share what the transaction involved.
Helpful details include:
- The complete descriptor without private references
- The general amount and currency
- The Bit Guardian product
- Whether a free trial was involved
- Whether the payment was a new purchase or renewal
- Whether FastSpring identified the order
- How cancellation, refund, or dispute support responded
Do not post card numbers, bank-account details, software license keys, order IDs, account emails, passwords, PINs, CVV codes, or authentication codes.
Why Rely on ChargeOnMyCard.com?
ChargeOnMyCard.com researches confusing credit-card, debit-card, software, subscription, payment-processor, automatic-renewal, and bank-statement descriptors using current official merchant information, transaction clues, and visible consumer reports.
We distinguish Bit Guardian’s verified products, FastSpring billing connection, contact information, and published policies from the unconfirmed details of an individual transaction. Cardholders should verify their specific payment through Bit Guardian, FastSpring, and the financial institution where it appeared.
Last reviewed: July 2026.
Disclaimer
ChargeOnMyCard.com is not affiliated with Bit Guardian GmbH, Bit Guardian, Ad Guardian Plus, Bit Driver Updater, Win Riser, FastSpring, any software developer, payment processor, card network, bank, credit union, or financial institution. Consumer reports are individual allegations and do not prove that every FS *BITGUARDIAN charge was unauthorized. This article is provided for informational purposes only and is not financial, legal, banking, software, subscription, cancellation, refund, privacy, account-security, or fraud advice. Contact Bit Guardian, FastSpring, and the applicable financial institution directly regarding a specific transaction.
