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<blockquote data-quote="conceptualclarity" data-source="post: 687560" data-attributes="member: 11916">Ordinarily I like to use the highlight feature on a PDF to mark the important parts in yellow. I have downloaded a PDF that for whatever reason is made resistant to this kind of personal marking. What exactly is the nature of this PDF &quot;protection&quot;?I suppose I could convert to another format and maybe that resistance would be gone when I converted back to PDF. But I&#039;d like to know first if there is something I could do directly to the PDF in view without having to convert.Computer:&nbsp; &nbsp; &nbsp; DELL Dimension 2400CPU:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; Intel Pentium 4-2667 (Northwood, D1)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 2666 MHz (20.00x133.3) @ 2658 MHz (20.00x132.9)Motherboard:&nbsp;&nbsp; DELL 0G1548Chipset:&nbsp; &nbsp; &nbsp;&nbsp; Intel 845GEV (Brookdale-GEV) + ICH4Memory:&nbsp; &nbsp; &nbsp; &nbsp; 2048 MBytes @ 166 MHz, 2.5-3-3-7&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; - 1024 MB PC3200 DDR-SDRAM - Kingston K&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; - 1024 MB PC3200 DDR-SDRAM - Kingston KGraphics:&nbsp; &nbsp; &nbsp; Intel 82845G/GL/GV Graphics Controller [DELL]&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; Intel i845G(L) Integrated, 64 MB Drive:&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; WL120GPA872, 117.2 GB, E-IDE (ATA-7)Drive:&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; WDC WD2500JB-57GVC0, 244.2 GB, E-IDE (ATA-6)Drive:&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; HGST HTS545050A7E380, 488.4 GB, Serial ATA 3Gb/s &lt;-&gt; USBDrive:&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; SAMSUNG CD-R/RW SW-252S, CD-R WriterSound:&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; Intel 82801DB(M) ICH4(-M) - AC&#039;97 Audio Controller [A-1]Sound:&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; Creative Technology SB Live! Series Audio ProcessorNetwork:&nbsp; &nbsp; &nbsp;&nbsp; RealTek Semiconductor RTL8139 PCI Fast Ethernet NIC [A/B/C]Network:&nbsp; &nbsp; &nbsp;&nbsp; Broadcom 4401 10/100 Integrated ControllerOS:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Microsoft Windows XP Home Edition Build 2600Antivirus:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; Panda Antivirus Pro 17.0.1Firewall:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Panda Antivirus Pro 17.0.1Ad Blocker:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Adguard, Ad Muncher, Adblock PlusDefault Browser:&nbsp; &nbsp;&nbsp; Maxthon 4.4.8.1000</blockquote>

[QUOTE="conceptualclarity, post: 687560, member: 11916"] Ordinarily I like to use the highlight feature on a PDF to mark the important parts in yellow. I have downloaded a PDF that for whatever reason is made resistant to this kind of personal marking. What exactly is the nature of this PDF "protection"? I suppose I could convert to another format and maybe that resistance would be gone when I converted back to PDF. But I'd like to know first if there is something I could do directly to the PDF in view without having to convert. Computer: DELL Dimension 2400 CPU: Intel Pentium 4-2667 (Northwood, D1) 2666 MHz (20.00x133.3) @ 2658 MHz (20.00x132.9) Motherboard: DELL 0G1548 Chipset: Intel 845GEV (Brookdale-GEV) + ICH4 Memory: 2048 MBytes @ 166 MHz, 2.5-3-3-7 - 1024 MB PC3200 DDR-SDRAM - Kingston K - 1024 MB PC3200 DDR-SDRAM - Kingston K Graphics: Intel 82845G/GL/GV Graphics Controller [DELL] Intel i845G(L) Integrated, 64 MB Drive: WL120GPA872, 117.2 GB, E-IDE (ATA-7) Drive: WDC WD2500JB-57GVC0, 244.2 GB, E-IDE (ATA-6) Drive: HGST HTS545050A7E380, 488.4 GB, Serial ATA 3Gb/s <-> USB Drive: SAMSUNG CD-R/RW SW-252S, CD-R Writer Sound: Intel 82801DB(M) ICH4(-M) - AC'97 Audio Controller [A-1] Sound: Creative Technology SB Live! Series Audio Processor Network: RealTek Semiconductor RTL8139 PCI Fast Ethernet NIC [A/B/C] Network: Broadcom 4401 10/100 Integrated Controller OS: Microsoft Windows XP Home Edition Build 2600 Antivirus: Panda Antivirus Pro 17.0.1 Firewall: Panda Antivirus Pro 17.0.1 Ad Blocker: Adguard, Ad Muncher, Adblock Plus Default Browser: Maxthon 4.4.8.1000 [/QUOTE]

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