PC Buster Download

Release Notes

New versions appear on this page and on the Download button at the same time. The ad list inside the program is updated from the server, so it changes regardless of version.

1.9.0
October 16, 2026
  • Bank Security Module Cleanup (PC Cleanup): the keyboard-security, certificate and anti-phishing modules that Korean banks, brokerages and government sites install, grouped by the site that uses them; tick and remove with each program's own uninstaller. Free. No files are deleted by hand, so the next visit to that bank installs it again. Antivirus is never listed.
  • Catalogue: 30 products, 25 institutions, marked as confirmed on the site's own page or reported by users only.
1.8.1
October 16, 2026
  • Silent install: PCBuster-1.9.0.exe --silent-install (or /S) installs without a window, for winget and office roll-outs. The agreement is still shown on first launch.
  • The VirusTotal result for the download (70 engines; Defender, ALYac, V3 and every major engine clean) is now linked from the FAQ.
1.8.0
October 15, 2026
  • English and Japanese: about 1,300 UI strings in both languages. The language follows the Windows display language and can be switched at the bottom left ("한국어 · English · 日本語"). The website is available at /en/ and /ja/.
  • The Japanese build switches back the Japanese IME (JPN policy); the English build has no such item. Ads are served per language.
  • The website moved to pcbustermeow.com. The old address (pcbuster.garii.workers.dev) still works.
1.7.0
October 15, 2026
  • Scheduled Cleanup: clears the default System Cleanup items on the day and time you set. Never empties the Recycle Bin, skips open browsers. Pass only (1 month · 1 year).
  • Full Shutdown · Hidden Shortcuts: shut down for real without Fast Startup, restart to the recovery menu, 24 rarely used shortcuts that rescue a broken PC, and a "Try it" button.
  • Connection Repair, one PC, 4,900 KRW: network, shared folder and printer fixes on one PC with no expiry. Offices buy one per PC.
  • Deep recovery is now in the one-time and 1-year passes only, not the 1-month pass. Refund rules written on the buy page. A pass line at the bottom left of the program (days left, number of fixes used).
  • The code box now also accepts card-payment license keys (the card checkout is still being prepared).
1.6.0
October 15, 2026
  • New mascot (Buster the tuxedo cat) and new colours. Four new banners drawn.
  • Slow Startup: boot log, pick and turn off heavy startup programs, Fast Startup, whether Windows is on a hard disk.
  • Deleted File Recovery: find and restore from the Recycle Bin (free), File History guidance, deep recovery with Windows File Recovery.
  • Fix Pass: the Fix buttons on the repair screens and deep recovery are now paid. One-time 2,900 KRW / 1 month 3,900 KRW / 1 year 19,900 KRW. Diagnosis, cleanup, adware removal and Recycle Bin restore stay free.
  • Share opener file: renamed to PC버스터_공유열기.bat (the file keeps its Korean name), and a step added that opens shared folders visible to only certain accounts as readable by everyone.
1.5.0
October 14, 2026
  • Windows Repair menu added.
  • Windows Update Repair: reads pending restarts, paused updates, blocking policies, disabled services and the last failure's error code, then runs Microsoft's official steps (clear cache → full reset → system file repair → network reset) as ticked. Changed values are backed up, with an Undo button.
  • Shared Folder · Printer Repair: for each PC on the same router, determines whether the door is open, whether guest access works, and whether an account is needed. Unblocks Windows 11's guest-access block, remembers guest access, share opener file for the other PC, shared printer 0x0000011b.
  • Windows 11 Annoyance Fixes: old Korean IME, turn off Bing search, ads and suggestions, hide Copilot and widgets, taskbar on the left, never combine windows, shrink the search box, open File Explorer to "This PC", show extensions, hide Gallery, old right-click menu, turn off Recall. Fifteen switches, all reversible.
  • Device Rescue: restart sound, Bluetooth and Wi-Fi services, stop Wi-Fi dropping after sleep, turn a disabled graphics card back on, guidance when the monitor cable is plugged into the motherboard, run games and editing programs on the dedicated GPU on laptops.
1.4.0
October 14, 2026 · First public release
  • Network Check added. Four-stage diagnosis (router → ISP → address lookup → site), priority between two internet paths, public/private network, discovery service, Wi-Fi power saving, list of devices on the same router, share opener file.
  • Printer Rescue added. Spooler, stuck queue, offline flag, default printer, printer response check.
  • PC Check menu description changed to "Internet · printer · blue screen · disk · temperature".
1.3
September 30, 2026 · Private beta
  • Buster the janitor cat mascot and icon. Navy sidebar, home screen cards.
  • Ad server connection. In-window banner and text ads are updated from the server list.
1.2
September 30, 2026 · Private beta
  • System Cleanup (scan → table → clean → space freed), Registry Cleanup and restore.
  • Left menu and section screens.
1.1
September 30, 2026 · Private beta
  • Renamed to PC Buster. Startup programs, Task Scheduler and services, When the Internet Is Slow, Internet Tune-up, blue screen, disk, temperature and system info, Uninstall Programs, Force Delete Files, Shutdown Timer.
  • Install consent screen, install and uninstall.
1.0
September 30, 2026 · Ad Pop-up Cleaner
  • Find and remove the program behind ad pop-ups. Matching forced-open traces in browser history against settings fingerprints, ad bookmark and notification permission cleanup, Watch Mode.