PCjs Machines
Home of the original IBM PC emulator for browsers.
Unprotect Collection
The following collection of “unprotects” was obtained from The Programmer’s Corner (see UNPROT-1 and UNPROT-2). They describe how to disable copy protection in various vintage programs.
For example, LOTUS.TXT describes how to disable the copy protection in Lotus 1-2-3 Release 1A and Lotus 1-2-3 Release 1A*.
The files have also been copied to the 1.2M diskette “Unprotect Files (UNPROT 1 & 2)”, which can be loaded in any IBM PC AT-compatible machine.
- 123.UNP
- 123A.UNP
- 123REL2.UNP
- 123RPT.FIX
- 123STAR.UNP
- 1A_STAR.UNP
- AARDVARK.UNP
- ABC.UNP
- ANCWAR.UNP
- ARTWORK.UNP
- BAKUP.TXT
- BAKUP204.UNP
- BANNER.UNP
- BOOK.UNP
- BROWNBAG.TXT
- BROWNBAG.UNP
- BRUSHWRK.UNP
- BUILD.BAT
- CHARTM4.UNP
- CHARTMAS.TXT
- CHARTMAS.UNP
- CLIPPER.BIN
- CLIPPER.TXT
- CLIPW85.UNP
- CLOUT256.UNP
- CLOUT384.UNP
- CONFIG.COM
- CONTRAP.UNP
- COPYPC.COM
- COPYPC.DOC
- COPYWRIT.UNP
- CORNER.UNP
- DAMBUST.UNP
- DB3.UNP
- DB3PLUS.UNP
- DB3V110.UNP
- DB3V21.BAT
- DB3V21.BIN
- DB3V30.BAT
- DB3V30.BIN
- DB3V30.DOC
- DB3ZAP.BAT
- DB3ZAP.BIN
- DB3ZAP.DOC
- DBASE.BIN
- DBASE3.TXT
- DDOS21V.UNP
- DIAGRAPH.COM
- DIAGRAPH.DOC
- DIAGRM50.UNP
- DISKMECH.UNP
- DOL&SEN.UNP
- DOUBLDOS.TXT
- DOUBLEDO.UNP
- DRHALO.UNP
- DRMASTER.UNP
- DSAVER.COM
- EASYWR11.UNP
- EASYWRIT.TXT
- ELECDESK.TXT
- ELECDESK.UNP
- ENAB11.UNP
- ENABLE.TXT
- ENABLE.UNP
- EWBACKUP.UNP
- EXECUVSN.TXT
- EXECUVSN.UNP
- EZWRITER.UNP
- EZWRITR.BAS
- EZWRITR.UNP
- FASTBACK.UNP
- FASTBK05.UNP
- FASTBK53.UNP
- FLGHTSIM.UNP
- FLITESIM.TXT
- FLT-SIM.MOD
- FLT-SIM.UNP
- FLTSIM.CPY
- FLTSIM.UNP
- FOCUS.TXT
- FOCUS405.UNP
- FOCUSNEW.UNP
- FRAMEWRK.TXT
- FRMWK1.BAT
- FRMWK1.DOC
- FRMWK1.UNP
- GATO.TXT
- GATO.UNP
- GATO2.UNP
- GCLISP.UNP
- GPARTNR.UNP
- GRAFWRTR.TXT
- GRAFWRTR.UNP
- GW430.UNP
- HARVARD.UNP
- HOMEWORD.UNP
- HPMV116.UNP
- IBMPCM.TXT
- IBMTIME.TXT
- LAYOUT.UNP
- LOAD-US.COM
- LOAD-US.DOC
- LOADCALC.UNP
- LOTUS.TXT
- LOTUS1A.UNP
- LY.UNP
- MAXTHINK.UNP
- MEMSHIFT.TXT
- MEMSHIFT.UNP
- MG.UNP
- MGYRMONY.TXT
- MILLNARE.UNP
- MINDPRO.TXT
- MINDPROB.UNP
- ML28-30.UNP
- MLINK206.UNP
- MLINK207.UNP
- MLINK301.UNP
- MLINK303.UNP
- MOD123.COM
- MOD123.DOC
- MS2.UNP
- MSWORD.TXT
- MSWORD.UNP
- MULTILNK.UNP
- MULTIPLN.TXT
- MYM152.UNP
- MYMALL.UNP
- MYMFIX.COM
- MYMFIX.DOC
- MYMFIX3.COM
- NE.UNP
- NEW123.UNP
- NEW123UN.V1A
- NEWSROOM.UNP
- NFSTBK53.UNP
- NHPMV116.BAS
- OVERHEAD.UNP
- OZ.UNP
- OZNEW.UNP
- PB2.UNP
- PCDRAW.UNP
- PCDRAW12.UNP
- PCDRAW14.UNP
- PCM.UNP
- PFS-PROG.UNP
- PFS-ZAP.UNP
- PFS.TXT
- PFS.UNP
- PFSFILE.UNP
- PFSNEW.UNP
- POOL15.UNP
- PRNTMSTR.TXT
- PRNTSHP.UNP
- PROBASIC.UNP
- PRODWN.TXT
- PROKEY.DOC
- PROKEY.TXT
- PROKEY.UNP
- PROKEY11.COM
- PROKEY30.UNP
- PROLOC.UNP
- PROLOC2.UNP
- PROLOK.UNP
- PROUNLOK.COM
- PROUNLOK.DOC
- PRTSHOP.UNP
- PS5000.UNP
- QUIKCODE.TXT
- RB4000.UNP
- RB4NEW.BAT
- RB4OLD.BAT
- RBASE.TXT
- RBASE.UNP
- README.1ST
- SAMNA.UNP
- SARGON3.UNP
- SDKIK.UNP
- SIDEKICK.TXT
- SIDEKICK.UNP
- SIGN4.UNP
- SIGNMAST.UNP
- SK.UNP
- SK100A.UNP
- SK110A.UNP
- SK111A.UNP
- SK111C.UNP
- SK11C.UNP
- SK15.UNP
- SMART.TXT
- SOFTG2.UNP
- SOFTGARD.TXT
- SPINAKER.UNP
- SPOTLITE.TXT
- SPSSFIX.DOC
- SPSSFIXB.COM
- SPSSFIXC.COM
- SS-UNP.BAT
- SS.UNP
- SSCULPTR.UNP
- STARTREK.UNP
- SYMPH.COM
- SYMPH.DOC
- SYMPHONY.UNP
- TANK.UNP
- TGRAF.UNP
- THINK.UNP
- TIME-MGR.UNP
- TIMEMGR.UNP
- TIMER.SK
- TKNEW.UNP
- TKSOLVER.TXT
- TKSOLVER.UNP
- TM.UNP
- TRIVIA.UNP
- ULTIMA.UNP
- ULTIMA2.UNP
- UNP123.TXT
- UNPROT.B
- UNPROT.DOC
- VCBACKUP.DOC
- VISICALC.UNP
- VOLKSWRT.UNP
- WORD.UNP
- WORD1_1.UNP
- WS2000.UNP
- XENOCOPY.UNP
- XUVISION.UNP
- ZORK12.UNP
- ZORK3.UNP
[PCjs Machine "ibm5170"]
Waiting for machine "ibm5170" to load....
Directory of Unprotect Files (UNPROT 1 & 2)
Volume in drive A is UNPROT-1-2
Directory of A:\
UNPROT-1 <DIR> 2-07-23 1:26p
UNPROT-2 <DIR> 2-07-23 1:26p
2 file(s) 0 bytes
Directory of A:\UNPROT-1
. <DIR> 2-07-23 1:26p
.. <DIR> 2-07-23 1:26p
123 UNP 706 7-11-83 8:35a
123A UNP 520 7-12-83 8:17a
123REL2 UNP 896 1-11-86 5:51a
123RPT FIX 2048 6-19-86 12:20a
123STAR UNP 1152 3-20-85 6:03p
1A_STAR UNP 1920 11-22-85 1:06a
AARDVARK UNP 3673 12-06-85 10:55a
ABC UNP 3072 6-14-86 3:06p
ANCWAR UNP 2304 2-28-86 1:14a
ARTWORK UNP 2944 2-11-86 10:35p
BAKUP TXT 2771 3-27-86 11:22a
BAKUP204 UNP 2816 2-11-86 1:13p
BANNER UNP 2048 5-18-86 5:38p
BOOK UNP 1408 2-17-86 1:52a
BROWNBAG TXT 3072 3-26-86 11:25a
BROWNBAG UNP 3072 3-15-86 6:22p
BRUSHWRK UNP 1792 4-24-86 7:48p
BUILD BAT 768 3-02-87 7:21p
CHARTM4 UNP 3712 4-24-86 7:48p
CHARTMAS TXT 4525 3-27-86 11:26a
CHARTMAS UNP 3465 3-18-85 5:49p
CLIPPER BIN 4096 3-07-86 1:09a
CLIPPER TXT 1639 4-01-86 1:36p
CLIPW85 UNP 1178 3-25-86 5:50a
CLOUT256 UNP 3328 7-02-84 6:58a
CLOUT384 UNP 3456 7-02-84 7:00a
CONFIG COM 674 6-16-86 12:05p
CONTRAP UNP 768 2-28-86 1:17a
COPYPC COM 1792 3-02-87 7:21p
COPYPC DOC 1920 3-02-87 7:21p
COPYWRIT UNP 2304 4-24-84 5:58a
CORNER UNP 4224 4-24-86 7:48p
DAMBUST UNP 1280 5-18-86 5:40p
DB3 UNP 2089 12-11-84 8:01p
DB3PLUS UNP 1400 1-22-86 3:22a
DB3V110 UNP 4480 4-24-86 8:17p
DB3V21 BAT 512 4-19-85 7:12p
DB3V21 BIN 6272 4-19-85 7:12p
DB3V30 BAT 256 4-19-85 7:12p
DB3V30 BIN 6528 4-19-85 7:12p
DB3V30 DOC 6784 4-19-85 7:12p
DB3ZAP BAT 768 10-12-86 3:03p
DB3ZAP BIN 5632 10-12-86 3:03p
DB3ZAP DOC 1024 10-12-86 3:03p
DBASE BIN 11776 1-24-86 1:11a
DBASE3 TXT 1292 3-27-86 3:16p
DDOS21V UNP 6144 6-21-86 5:47p
DIAGRAPH COM 1073 6-16-86 12:07p
DIAGRAPH DOC 2149 6-16-86 7:17p
DIAGRM50 UNP 941 4-24-86 7:51p
DISKMECH UNP 384 8-03-85 5:01a
DOL&SEN UNP 2560 4-11-86 1:30a
DOUBLDOS TXT 9219 3-27-86 2:50p
DOUBLEDO UNP 4352 6-30-85 6:10a
DRHALO UNP 4224 2-01-86 10:55p
DRMASTER UNP 1152 4-24-86 7:48p
DSAVER COM 3712 3-02-87 7:21p
EASYWR11 UNP 4480 12-16-86 6:41p
EASYWRIT TXT 4555 3-27-86 12:07p
ELECDESK TXT 2642 3-27-86 12:05p
ELECDESK UNP 768 4-24-86 7:48p
ENAB11 UNP 768 5-18-86 2:14a
ENABLE TXT 1234 3-27-86 12:05p
ENABLE UNP 1152 4-24-86 7:47p
EWBACKUP UNP 2304 8-01-82
EXECUVSN TXT 3117 3-27-86 12:09p
EXECUVSN UNP 3328 4-24-86 7:47p
EZWRITER UNP 3584 4-24-86 7:49p
EZWRITR BAS 3456 3-20-85 6:03p
EZWRITR UNP 3456 10-12-86 3:03p
FASTBACK UNP 1374 3-27-86 12:13p
FASTBK05 UNP 768 11-18-85 8:17p
FASTBK53 UNP 768 12-04-85 6:35p
FLGHTSIM UNP 972 2-14-84 11:05p
FLITESIM TXT 1014 3-27-86 12:10p
FLT-SIM MOD 1834 9-30-83 8:03a
FLT-SIM UNP 1024 2-11-86 1:15p
FLTSIM CPY 1024 3-20-85 6:03p
FLTSIM UNP 1152 3-20-85 6:03p
FOCUS TXT 871 3-27-86 12:12p
FOCUS405 UNP 640 4-24-86 7:48p
FOCUSNEW UNP 896 4-08-85 3:54p
FRAMEWRK TXT 1964 3-27-86 12:01p
FRMWK1 BAT 256 3-19-85 5:14p
FRMWK1 DOC 1792 3-19-85 5:14p
FRMWK1 UNP 256 3-19-85 5:14p
GATO TXT 664 3-27-86 12:14p
GATO UNP 768 1-01-80 12:11a
GATO2 UNP 640 1-06-86 3:31a
GCLISP UNP 7936 10-19-85 9:44a
GPARTNR UNP 640 4-24-86 7:48p
GRAFWRTR TXT 3121 3-27-86 12:15p
GRAFWRTR UNP 3200 4-24-86 7:48p
GW430 UNP 2944 3-16-86 8:55p
HARVARD UNP 10014 4-28-84 6:19a
HOMEWORD UNP 1024 12-16-86 6:56p
HPMV116 UNP 8320 7-02-84 7:35a
IBMPCM TXT 512 3-20-85 6:03p
IBMTIME TXT 1536 3-20-85 6:03p
LAYOUT UNP 1152 9-15-84 4:11p
LOAD-US COM 8960 1-15-85 10:19a
LOAD-US DOC 2304 1-15-85 10:22a
LOADCALC UNP 1152 3-20-85 6:03p
LOTUS TXT 3924 3-27-86 3:41p
LOTUS1A UNP 256 3-14-18
LY UNP 1280 4-24-86 7:48p
MAXTHINK UNP 896 4-24-86 7:48p
MEMSHIFT TXT 1312 3-27-86 1:56p
MEMSHIFT UNP 512 3-02-87 7:21p
MG UNP 2048 4-24-86 7:49p
MGYRMONY TXT 3839 4-01-86 3:17p
MILLNARE UNP 3072 4-06-86 10:15p
MINDPRO TXT 1238 3-27-86 1:48p
MINDPROB UNP 384 11-28-85 2:19a
ML28-30 UNP 3328 2-11-86 1:25p
MLINK206 UNP 2560 3-20-85 6:03p
MLINK207 UNP 2560 8-03-85 5:18a
MLINK301 UNP 3712 4-24-86 7:48p
MLINK303 UNP 2048 4-12-86 7:37p
MOD123 COM 1536 3-20-85 6:03p
MOD123 DOC 512 3-20-85 6:03p
MS2 UNP 1536 3-20-85 6:03p
MSWORD TXT 12716 3-27-86 3:47p
MSWORD UNP 2176 1-01-80 2:04a
MULTILNK UNP 2432 4-24-84 6:01a
MULTIPLN TXT 6978 3-27-86 1:53p
MYM152 UNP 1024 11-27-85 1:57a
MYMALL UNP 3584 4-24-86 7:48p
MYMFIX COM 293 3-08-86 11:17a
MYMFIX DOC 1550 3-08-86 11:16a
MYMFIX3 COM 256 2-17-86 2:01a
133 file(s) 333964 bytes
Directory of A:\UNPROT-2
. <DIR> 2-07-23 1:26p
.. <DIR> 2-07-23 1:26p
NE UNP 512 4-24-86 7:48p
NEW123 UNP 640 3-20-85 6:03p
NEW123UN V1A 1024 3-20-85 6:03p
NEWSROOM UNP 1664 1-21-86 12:29a
NFSTBK53 UNP 768 12-22-85 10:21a
NHPMV116 BAS 2944 11-28-85 2:22a
OVERHEAD UNP 3200 4-11-86 1:24a
OZ UNP 2813 3-27-86 2:09p
OZNEW UNP 3072 4-24-86 7:48p
PB2 UNP 2048 12-16-86 7:55p
PCDRAW UNP 5549 3-27-86 2:11p
PCDRAW12 UNP 3072 2-11-86 1:10p
PCDRAW14 UNP 2688 2-09-86 3:00p
PCM UNP 768 4-24-86 7:49p
PFS-PROG UNP 3200 7-02-84 7:36a
PFS-ZAP UNP 1664 3-20-85 6:03p
PFS TXT 6575 3-27-86 2:20p
PFS UNP 3072 6-04-85 8:04a
PFSFILE UNP 1536 11-28-85 2:23a
PFSNEW UNP 2176 2-04-86 12:37a
POOL15 UNP 896 4-24-86 7:48p
PRNTMSTR TXT 1280 8-29-85 4:20p
PRNTSHP UNP 896 3-28-86 12:24p
PROBASIC UNP 2048 4-24-86 7:48p
PRODWN TXT 8192 3-20-85 6:03p
PROKEY DOC 2816 2-16-85 1:36a
PROKEY TXT 1111 3-27-86 2:26p
PROKEY UNP 1536 9-15-84 4:07p
PROKEY11 COM 8704 2-16-85 1:36a
PROKEY30 UNP 1536 8-03-85 5:16a
PROLOC UNP 5120 2-19-85 12:50a
PROLOC2 UNP 5331 2-16-85 2:05p
PROLOK UNP 5248 2-16-85 1:53a
PROUNLOK COM 2176 4-04-85 11:31a
PROUNLOK DOC 1408 4-04-85 11:32a
PRTSHOP UNP 1152 2-24-86 1:03a
PS5000 UNP 1536 5-07-86 11:35p
QUIKCODE TXT 134 3-27-86 1:40p
RB4000 UNP 3584 3-13-85 3:20p
RB4NEW BAT 640 2-17-86 10:35a
RB4OLD BAT 640 2-17-86 10:35a
RBASE TXT 3178 3-27-86 2:30p
RBASE UNP 2688 9-15-84 4:04p
README 1ST 2816 3-02-87 7:21p
SAMNA UNP 2560 3-02-84 6:38a
SARGON3 UNP 1152 4-27-84 6:46a
SDKIK UNP 2176 3-20-85 6:03p
SIDEKICK TXT 10521 3-27-86 3:32p
SIDEKICK UNP 2048 1-01-80 12:55a
SIGN4 UNP 3456 4-24-86 7:48p
SIGNMAST UNP 3265 3-18-85 5:50p
SK UNP 2432 3-20-85 6:03p
SK100A UNP 629 12-22-84 10:11a
SK110A UNP 623 12-22-84 9:55a
SK111A UNP 2304 12-24-84 3:27p
SK111C UNP 1536 12-24-84 3:27p
SK11C UNP 2304 3-19-85 7:31a
SK15 UNP 1792 4-24-86 7:48p
SMART TXT 743 3-27-86 2:40p
SOFTG2 UNP 8064 9-21-85 11:08a
SOFTGARD TXT 37951 3-27-86 3:19p
SPINAKER UNP 3637 4-24-86 7:48p
SPOTLITE TXT 4017 3-27-86 3:33p
SPSSFIX DOC 1230 1-11-86 11:32a
SPSSFIXB COM 1339 1-11-86 11:50a
SPSSFIXC COM 1441 1-11-86 9:43p
SS-UNP BAT 640 3-30-86 11:18p
SS UNP 128 3-30-86 11:18p
SSCULPTR UNP 2048 5-05-86 3:07p
STARTREK UNP 768 2-27-86 1:13a
SYMPH COM 128 8-03-84 6:25a
SYMPH DOC 1408 8-03-84 6:25a
SYMPHONY UNP 2560 8-03-84 6:25a
TANK UNP 4096 12-24-84 3:27p
TGRAF UNP 2304 4-24-86 7:48p
THINK UNP 4096 9-14-85 12:51p
TIME-MGR UNP 1104 5-20-84 7:27p
TIMEMGR UNP 1280 7-02-84 7:40a
TIMER SK 4352 3-02-87 7:21p
TKNEW UNP 5760 2-11-86 1:20p
TKSOLVER TXT 6784 3-27-86 3:36p
TKSOLVER UNP 5632 9-15-84 4:27p
TM UNP 1536 3-20-85 6:03p
TRIVIA UNP 1280 4-24-86 7:48p
ULTIMA UNP 2790 8-22-85 9:11a
ULTIMA2 UNP 2816 5-18-86 2:16a
UNP123 TXT 640 3-20-85 6:03p
UNPROT B 128 3-02-87 7:21p
UNPROT DOC 512 3-02-87 7:21p
VCBACKUP DOC 8064 8-01-82
VISICALC UNP 2560 4-24-86 7:48p
VOLKSWRT UNP 2048 12-16-86 8:18p
WORD UNP 2304 3-02-87 7:21p
WORD1_1 UNP 5632 3-02-87 7:21p
WS2000 UNP 4992 6-01-85 8:38a
XENOCOPY UNP 4864 7-02-84 7:42a
XUVISION UNP 8691 4-24-86 7:48p
ZORK12 UNP 1024 2-11-86 1:16p
ZORK3 UNP 768 2-11-86 1:16p
101 file(s) 302608 bytes
Total files listed:
236 file(s) 636572 bytes
522240 bytes free