Excel Freezes When You Copy? Check the Default Printer
Excel goes Not Responding every time you press Ctrl+C? Owners traced it to an offline default printer. Then check Paste Options, rules and Protected View.
Informational
System Process High CPU? Find the Driver in Its Threads
The System process using 10 to 40 percent CPU? It hosts your drivers. Run Process Explorer as administrator, open System’s Threads tab and find the .sys file.
PC Won’t Boot From USB? Match the Stick to the Firmware
PC skips your USB stick even with the boot order set? Pick the UEFI entry in the one-time boot menu, remake a copied or exFAT stick as FAT32, or turn on CSM.
Numpad Types a Comma Instead of a Dot? The Layout Decides
Your number pad’s decimal key types a comma when you want a dot, or the reverse? The keyboard layout decides it. Switch to a twin layout or remap it in PowerToys.
Back Up Your File Encryption Key Pop-Up? Find the Key First
Encrypting File System asks you to back up your file encryption key? It is a real prompt. Run cipher /u /n /h to see what is encrypted before you pick Never back up.
Transparent Image Turns Black When Pasted? Insert the File
A transparent PNG pastes with a black background? The plain bitmap copy drops transparency. Save the picture and insert the file, or paste Chrome copies into Word.
Remote Desktop Won’t Go Full Screen? Reset the Saved Size
Remote Desktop stuck in a small window with scroll bars? Press Ctrl+Alt+Break, set the Display slider to full screen and save, or start mstsc /f from Run.
Can’t Copy Text From a PDF? Tell a Scan From a Lock
Nothing highlights, Copy is grayed out, or the paste comes out as symbols? Those are three different PDFs. Word reads a scanned page; a locked one needs its sender.
Mac Tilde Key Types a Section Sign? Reset the Keyboard Type
Your Mac types the section sign or plus-minus where the tilde should be? It has filed your keyboard as ISO. Delete com.apple.keyboardtype.plist, restart and choose ANSI.
No Outlook Alert When a Rule Moves Mail? Add an Alert Rule
Outlook only alerts for mail that lands in the Inbox, so mail a rule moves arrives silently. Add a separate alert-only rule in classic Outlook; new Outlook needs a category.