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PurpleMark guides for browser profile isolation, proxies, multi-account operations, and team collaboration.

Facebook Account Hacked? Recovery, Restoration, and Security Guide

A hacked Facebook account can lead to fraudulent ad charges, leaked business information, and other serious consequences. This guide explains how to spot the signs of compromise, recover your account through official channels, reset your password, secure a stolen Page, and apply five key prevention measures.

Not Receiving an Instagram Verification Code? 7 Common Causes and Fixes

Not receiving a verification code when signing up for or logging in to Instagram? This guide explains 7 common causes, including platform delays, untrusted phone numbers and carrier filtering, and provides practical troubleshooting steps such as checking spam folders, testing another number and using a physical SIM.

What Is Cookie Login? How It Works, Benefits, and Safe Multi-Account Use

Why can a website remember you after one login, yet ask you to sign in again after a long time? Cookie login preserves your session, but it can also create account-linking risks in multi-account workflows. This guide explains how cookie login works, its benefits, how to keep sessions safely, and how to avoid mixing cookies between accounts.

Shopify Store Suspended? Reasons for Store Closure and How to Avoid It

Products compliant and logistics stable, yet Shopify suddenly shuts down your store? This article breaks down six core risk-control triggers—IP infringement/prohibited goods, high chargebacks, billing anomalies, high-risk networks, entity verification issues, and linked-account spillover—and explains how to reduce risk compliantly.