What is wrong with your PC?
Search by symptom or pick a topic. Each guide says what is safe, what is not, and when you do not need a tool at all.
Free up disk space
What is safe to delete, folder by folder, and what to leave alone.
Guides: 12- Windows cleanup guideEvery disk-cleanup question in one place, with a safe order of checks.
- Windows 11 disk cleanup checklistNine steps in a safe order, printable.
- Before you clean WindowsBackup, restore point, preview first, and what never to delete by hand.
- Free up disk space on Windows 11 safelyBuilt-in tools first, and what to check before you delete.
- What is safe to delete on WindowsCategory by category — what you get back, and what you quietly give up.
- Delete temporary files on Windows 11 safelyWhat is safe to remove, and what needs a second look.
- Find large files on Windows 11Four built-in ways to see what is taking the space, before you delete anything.
- Windows.old: is it safe to delete?What it holds, what you lose, and the supported way to remove it.
- WinSxS folder too large?Why it looks so big, and the safe ways to shrink it.
- Windows Update Cleanup: is it safe?What it removes, what you lose, and when to use it.
- Delivery Optimization files: safe to delete?What the cache is and how to clear it with Windows tools.
- hiberfil.sys and pagefile.sysWhat they are, how to shrink them safely and what not to touch.
PC health and speed
Find out what is wrong before you change anything.
Guides: 4- Windows 11 PC health checkA practical order to check before you change anything.
- Windows 11 slow after an updateA short, ordered checklist before you change anything.
- How to get more FPS on WindowsWhat a booster really changes — and why killing processes is not the clever part.
- How to tell ransomware is encrypting your filesThe signs that come before the ransom note — and what to do in the first minute.
Drivers
Back up, find, update and roll back, from official sources only.
Guides: 14- How to update drivers on Windows 11The safe order — Windows Update, then the manufacturer, never a driver pack.
- Do you actually need a driver updater?Usually not — and the specific cases where the answer changes.
- Back up drivers before a Windows reinstallExport, verify and restore the drivers you actually need.
- Update a graphics driver safelyNVIDIA, AMD and Intel: a short safe routine.
- Roll back a driver update in Windows 11From Roll Back Driver to restore points.
- Identify an unknown device by hardware IDRead the ID, find the maker, get the official driver.
- Find a driver by Hardware IDRead the ID, understand it and search the maker's official page.
- Device Manager Code 28 explainedWhat it means and the safe order to fix it.
- Device Manager Code 43 causesDriver, firmware or hardware? A safe way to tell.
- Network driver after a Windows reinstallGet online again when the adapter has no driver.
- Drivers after a clean install of Windows 11A sensible order for network, chipset, storage, graphics and more.
- Do you need chipset drivers?What they do and when to install them.
- Drivers for an old 32-bit Windows 7 laptopA safe search order for legacy hardware.
- Install INF drivers with PnPUtilAdd one driver or a whole folder from the command line.
Choosing a cleaner
How to judge a cleaner, free or paid, before you install it.
Guides: 7- A free PC cleaner without adsWhat “free” should mean, and how to check a cleaner before installing it.
- Windows 11 cleaner without adsRain Cleaner: review before cleanup, free version, 7-day Pro trial.
- CCleaner alternatives for Windows 11What different cleanup tools actually do, and what to compare.
- Rain Cleaner vs CCleaner vs BleachBitWhat each cleaner is built for, and who it fits.
- Windows protected your PC: verify and run Rain CleanerHash check, Defender scan and the SmartScreen steps.
- Security reportingHow to report a security issue privately.
- RoadmapWhat we are working on now, next and later.
Android and Linux
Phone storage and full server disks.
Guides: 4- Free up Android storage safelyLook first, back up, then remove - with Android's own tools.
- Find duplicate photos on AndroidWhy they appear and how to remove them without losing a good shot.
- Linux server disk fullA safe order of checks: df, inodes, du, open deleted files, logs, packages and Docker.
- journald logs too bigCheck the size, vacuum it once, and set a permanent limit.
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