MiKTeX

How to uninstall MiKTeX from your computer

MiKTeX is a Windows program. Read more about how to remove it from your computer. The Windows release was developed by MiKTeX.org. More information about MiKTeX.org can be seen here. More information about MiKTeX can be seen at https://miktex.org/about. MiKTeX is usually set up in the C:\Users\UserName\AppData\Local\Programs\MiKTeX folder, however this location may differ a lot depending on the user's choice when installing the application. MiKTeX's entire uninstall command line is C:\Users\UserName\AppData\Local\Programs\MiKTeX\miktex/bin/x64\miktex-console.exe --start-page cleanup. miktex-console.exe is the MiKTeX's main executable file and it occupies around 873.50 KB (894464 bytes) on disk.

The executable files below are part of MiKTeX. They occupy an average of 85.56 MB (89712006 bytes) on disk.

• biber.exe (27.72 MB)
• arctrl.exe (375.00 KB)
• cjklatex.exe (237.50 KB)
• findtexmf.exe (242.50 KB)
• gsf2pk.exe (292.50 KB)
• initexmf.exe (690.50 KB)
• mgs.exe (217.00 KB)
• miktex-afm2tfm.exe (105.00 KB)
• miktex-asy.exe (4.80 MB)
• miktex-autosp.exe (80.00 KB)
• miktex-axohelp.exe (134.00 KB)
• miktex-bg5conv.exe (36.00 KB)
• miktex-bibsort.exe (203.50 KB)
• miktex-bibtex.exe (290.00 KB)
• miktex-bibtex8.exe (208.00 KB)
• miktex-bibtexu.exe (214.50 KB)
• miktex-cef5conv.exe (39.50 KB)
• miktex-cefconv.exe (39.00 KB)
• miktex-cefsconv.exe (39.50 KB)
• miktex-cfftot1.exe (449.50 KB)
• miktex-chktex.exe (133.00 KB)
• miktex-console.exe (873.50 KB)
• miktex-console_admin.exe (873.50 KB)
• miktex-ctangle.exe (105.50 KB)
• miktex-cweave.exe (145.50 KB)
• miktex-devnag.exe (96.50 KB)
• miktex-dvicopy.exe (202.50 KB)
• miktex-dvipdfmx.exe (900.00 KB)
• miktex-dvipdft.exe (80.00 KB)
• miktex-dvipng.exe (157.50 KB)
• miktex-dvips.exe (319.00 KB)
• miktex-dvisvgm.exe (8.78 MB)
• miktex-dvitype.exe (185.00 KB)
• miktex-epsffit.exe (80.00 KB)
• miktex-epstopdf.exe (526.50 KB)
• miktex-extconv.exe (36.00 KB)
• miktex-fc-cache.exe (72.50 KB)
• miktex-fc-cat.exe (71.50 KB)
• miktex-fc-conflist.exe (66.50 KB)
• miktex-fc-list.exe (69.50 KB)
• miktex-fc-match.exe (69.50 KB)
• miktex-fc-pattern.exe (69.00 KB)
• miktex-fc-query.exe (69.00 KB)
• miktex-fc-scan.exe (68.50 KB)
• miktex-fc-validate.exe (69.50 KB)
• miktex-fribidixetex.exe (186.50 KB)
• miktex-gftodvi.exe (180.50 KB)
• miktex-gftopk.exe (141.00 KB)
• miktex-gftype.exe (171.00 KB)
• miktex-gregorio.exe (805.50 KB)
• miktex-hbf2gf.exe (102.00 KB)
• miktex-kpsewhich.exe (82.00 KB)
• miktex-lacheck.exe (123.50 KB)
• miktex-lua.exe (46.50 KB)
• miktex-luac.exe (47.50 KB)
• miktex-luahbtex.exe (6.27 MB)
• miktex-luatex.exe (6.24 MB)
• miktex-makebase.exe (282.00 KB)
• miktex-makefmt.exe (337.50 KB)
• miktex-makeindex.exe (151.50 KB)
• miktex-makemf.exe (287.50 KB)
• miktex-makepk.exe (328.00 KB)
• miktex-maketfm.exe (306.00 KB)
• miktex-mf.exe (599.50 KB)
• miktex-mft.exe (159.00 KB)
• miktex-mkocp.exe (70.50 KB)
• miktex-mmafm.exe (296.00 KB)
• miktex-mmpfb.exe (370.50 KB)
• miktex-mpost.exe (281.00 KB)
• miktex-odvicopy.exe (198.00 KB)
• miktex-ofm2opl.exe (210.00 KB)
• miktex-opl2ofm.exe (223.50 KB)
• miktex-otfinfo.exe (560.50 KB)
• miktex-otftotfm.exe (864.00 KB)
• miktex-otp2ocp.exe (90.00 KB)
• miktex-outocp.exe (70.50 KB)
• miktex-ovf2ovp.exe (240.00 KB)
• miktex-ovp2ovf.exe (244.50 KB)
• miktex-patgen.exe (161.00 KB)
• miktex-pdfdetach.exe (75.00 KB)
• miktex-pdffonts.exe (74.00 KB)
• miktex-pdfimages.exe (101.00 KB)
• miktex-pdfinfo.exe (117.50 KB)
• miktex-pdfseparate.exe (72.00 KB)
• miktex-pdftex.exe (1.14 MB)
• miktex-pdftocairo.exe (197.00 KB)
• miktex-pdftohtml.exe (166.00 KB)
• miktex-pdftoppm.exe (82.00 KB)
• miktex-pdftops.exe (82.00 KB)
• miktex-pdftosrc.exe (75.50 KB)
• miktex-pdftotext.exe (108.00 KB)
• miktex-pdfunite.exe (97.50 KB)
• miktex-pk2bm.exe (72.50 KB)
• miktex-pltotf.exe (171.50 KB)
• miktex-pmxab.exe (630.50 KB)
• miktex-pooltype.exe (122.00 KB)
• miktex-prepmx.exe (188.00 KB)
• miktex-ps2pk.exe (206.00 KB)
• miktex-psbook.exe (77.00 KB)
• miktex-psnup.exe (87.00 KB)
• miktex-psresize.exe (85.50 KB)
• miktex-psselect.exe (78.00 KB)
• miktex-pstops.exe (86.50 KB)
• miktex-rebar.exe (45.00 KB)
• miktex-rungs.exe (62.00 KB)
• miktex-scor2prt.exe (121.50 KB)
• miktex-sjisconv.exe (36.00 KB)
• miktex-synctex.exe (204.00 KB)
• miktex-t1dotlessj.exe (367.50 KB)
• miktex-t1lint.exe (321.00 KB)
• miktex-t1rawafm.exe (325.50 KB)
• miktex-t1reencode.exe (360.00 KB)
• miktex-t1testpage.exe (341.00 KB)
• miktex-t4ht.exe (95.50 KB)
• miktex-tangle.exe (165.00 KB)
• miktex-tex.exe (587.00 KB)
• miktex-tex2aspc.exe (45.50 KB)
• miktex-tex4ht.exe (170.00 KB)
• miktex-texworks.exe (7.14 MB)
• miktex-tftopl.exe (174.00 KB)
• miktex-ttf2afm.exe (100.50 KB)

...click to view all...

This page is about MiKTeX version 20.6.29 alone. For other MiKTeX versions please click below:

• 23.4
• 21.6
• 21.2
• 23.10
• 21.8
• 22.10
• 21.1
• 21.12
• 2.3
• 20.11

...click to view all...
If you are manually uninstalling MiKTeX we suggest you to verify if the following data is left behind on your PC.

You should delete the folders below after you uninstall MiKTeX:

• C:\Users\%user%\AppData\Local\MiKTeX
• C:\Users\%user%\AppData\Local\Programs\MiKTeX
• C:\Users\%user%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\MiKTeX
• C:\Users\%user%\AppData\Roaming\MiKTeX

Usually, the following files remain on disk:

• C:\Users\%user%\AppData\Local\MiKTeX\dvipdfm\config\dvipdfm.map
• C:\Users\%user%\AppData\Local\MiKTeX\dvipdfm\config\dvipdfm_dl14.map
• C:\Users\%user%\AppData\Local\MiKTeX\dvipdfm\config\dvipdfm_ndl14.map
• C:\Users\%user%\AppData\Local\MiKTeX\dvips\config\builtin35.map
• C:\Users\%user%\AppData\Local\MiKTeX\dvips\config\download35.map
• C:\Users\%user%\AppData\Local\MiKTeX\dvips\config\ps2pk.map
• C:\Users\%user%\AppData\Local\MiKTeX\dvips\config\psfonts.map
• C:\Users\%user%\AppData\Local\MiKTeX\dvips\config\psfonts_pk.map
• C:\Users\%user%\AppData\Local\MiKTeX\dvips\config\psfonts_t1.map
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\05691e148dde2f491b995b8333fa0e40-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\0cb99f0db18f6c8f72e06d50bd6d684a-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\12856ee2ddda95855d13c6c8fea927fb-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\18b016d8c6fa22375d50dcdfc8178d02-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\19b601bee706bf14156540fd63731bf6-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\1a490f5a0bc05c529872de185808901a-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\1ee38142bcbb3fece1d80be981d61947-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\2f4ddcc344b7c49b7289b926dd23fc8a-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\35007e9f2da17b405d7229e5e70ba404-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\37e11fc903f328355a63499591069f17-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\453bbe3d33748d2700c2b85db6da6e35-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\64b5271709d6eb7daf6f38ee135b5b48-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\6825a61845f34d21fe9c80198eac3803-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\698e8de9c79e614b8d6a96b5ce9682e6-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\6ce82ed7685b28092d69d66c9e311eca-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\71288b131b02494607e8980d6b0c31a9-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\7255bc6c39364381fb014708ff39a495-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\7a767e6cad048e569a69cac67ea3e521-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\7c453722da67db241c53cff4f74edbc7-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\7e743b9c3ea36bbabc9c98e11a0b2496-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\8464a5bd978381152961da34b5717185-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\8573812c3c576eca0e4e4382b5a5ce21-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\89b658d65193c01d0e23682805d299cf-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\921d79f3c42404e04bc88c6e91576b78-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\9a23066b228af414afbc1079e08aacc0-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\9ad978981caf89b9ed4e017e1501cf4a-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\9c515d60e2a730cb00457852d38a1b96-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\a0f616ac121be398018bd6422936e987-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\CACHEDIR.TAG
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\d104c7ebe8680bbbd4cb4df859c94181-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\d8db10826b457d9073652bc64b0307ec-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\decfbeb8a9b38f026606e57d15638d57-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\df0326e8dfade5198a80bbb1829a5cf5-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\e06ee08be07896c6834c5718b2190d38-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\eedc7cafcd767afd227081c5c14cb057-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\fontconfig\cache\f10d6ba7ac390af9ef0b2ca3e10ba4e2-le64.cache-7
• C:\Users\%user%\AppData\Local\MiKTeX\miktex\cache\packages\miktex-zzdb1-2.9\mpm.ini
• C:\Users\%user%\AppData\Local\MiKTeX\miktex\cache\packages\miktex-zzdb3-2.9\package-manifests.ini
• C:\Users\%user%\AppData\Local\MiKTeX\miktex\data\le\0de154767e7838b1ab2f1f3658fd837b.fndb-5
• C:\Users\%user%\AppData\Local\MiKTeX\miktex\data\le\8e44b25f219621e72ade01a28cc90923.fndb-5
• C:\Users\%user%\AppData\Local\MiKTeX\miktex\data\le\c5acc84dad132debc56d0547ea34ee2b.fndb-5
• C:\Users\%user%\AppData\Local\MiKTeX\miktex\data\le\df2c24cb21984fa85003c1ecc818ff83.fndb-5
• C:\Users\%user%\AppData\Local\MiKTeX\miktex\data\le\pdftex\pdflatex.fmt
• C:\Users\%user%\AppData\Local\MiKTeX\miktex\log\initexmf.log
• C:\Users\%user%\AppData\Local\MiKTeX\miktex\log\latexindent.log
• C:\Users\%user%\AppData\Local\MiKTeX\miktex\log\makeindex.log
• C:\Users\%user%\AppData\Local\MiKTeX\miktex\log\miktex-console.log
• C:\Users\%user%\AppData\Local\MiKTeX\miktex\log\miktex-fc-cache.log
• C:\Users\%user%\AppData\Local\MiKTeX\miktex\log\miktex-makefmt.log
• C:\Users\%user%\AppData\Local\MiKTeX\miktex\log\miktex-pdftex.log
• C:\Users\%user%\AppData\Local\MiKTeX\miktex\log\mkfntmap.log
• C:\Users\%user%\AppData\Local\MiKTeX\miktex\log\mpmcli.log
• C:\Users\%user%\AppData\Local\MiKTeX\miktex\log\pdflatex.log
• C:\Users\%user%\AppData\Local\MiKTeX\miktex\log\texify.log
• C:\Users\%user%\AppData\Local\MiKTeX\miktex\log\texworks.log
• C:\Users\%user%\AppData\Local\MiKTeX\pdftex\config\pdftex.map
• C:\Users\%user%\AppData\Local\MiKTeX\pdftex\config\pdftex_dl14.map
• C:\Users\%user%\AppData\Local\MiKTeX\pdftex\config\pdftex_ndl14.map
• C:\Users\%user%\AppData\Local\MiKTeX\TeXworks\0.6\completion\tw-basic.txt
• C:\Users\%user%\AppData\Local\MiKTeX\TeXworks\0.6\completion\tw-beamer.txt
• C:\Users\%user%\AppData\Local\MiKTeX\TeXworks\0.6\completion\tw-context.txt
• C:\Users\%user%\AppData\Local\MiKTeX\TeXworks\0.6\completion\tw-latex.txt
• C:\Users\%user%\AppData\Local\MiKTeX\TeXworks\0.6\configuration\auto-indent-patterns.txt
• C:\Users\%user%\AppData\Local\MiKTeX\TeXworks\0.6\configuration\delimiter-pairs.txt
• C:\Users\%user%\AppData\Local\MiKTeX\TeXworks\0.6\configuration\smart-quotes-modes.txt
• C:\Users\%user%\AppData\Local\MiKTeX\TeXworks\0.6\configuration\syntax-patterns.txt
• C:\Users\%user%\AppData\Local\MiKTeX\TeXworks\0.6\configuration\tag-patterns.txt
• C:\Users\%user%\AppData\Local\MiKTeX\TeXworks\0.6\configuration\texworks-config.txt
• C:\Users\%user%\AppData\Local\MiKTeX\TeXworks\0.6\scripts\Hooks\babelLanguage.js
• C:\Users\%user%\AppData\Local\MiKTeX\TeXworks\0.6\scripts\Hooks\logParser.js
• C:\Users\%user%\AppData\Local\MiKTeX\TeXworks\0.6\scripts\LaTeX styles\toggleBold.js
• C:\Users\%user%\AppData\Local\MiKTeX\TeXworks\0.6\scripts\LaTeX styles\toggleEmph.js
• C:\Users\%user%\AppData\Local\MiKTeX\TeXworks\0.6\scripts\launchPdf.js
• C:\Users\%user%\AppData\Local\MiKTeX\TeXworks\0.6\scripts\makeBold.lua
• C:\Users\%user%\AppData\Local\MiKTeX\TeXworks\0.6\scripts\makeBold.py
• C:\Users\%user%\AppData\Local\MiKTeX\TeXworks\0.6\scripts\system.js
• C:\Users\%user%\AppData\Local\MiKTeX\TeXworks\0.6\scripts\Text transforms\titlecase.js
• C:\Users\%user%\AppData\Local\MiKTeX\TeXworks\0.6\TwFileVersions.db
• C:\Users\%user%\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\AppIconCache\150\C__Users_sonny_AppData_Local_Programs_MiKTeX_miktex_bin_x64_miktex-console_exe
• C:\Users\%user%\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\AppIconCache\150\C__Users_sonny_AppData_Local_Programs_MiKTeX_miktex_bin_x64_miktex-texworks_exe
• C:\Users\%user%\AppData\Local\Programs\MiKTeX\biber\bin\windows-x64\biber.exe
• C:\Users\%user%\AppData\Local\Programs\MiKTeX\bibtex\bib\biblatex\biblatex-examples.bib
• C:\Users\%user%\AppData\Local\Programs\MiKTeX\bibtex\bib\biblatex\biblatex-examples.bltxml
• C:\Users\%user%\AppData\Local\Programs\MiKTeX\bibtex\bib\bibtex\xampl.bib
• C:\Users\%user%\AppData\Local\Programs\MiKTeX\bibtex\bib\oberdiek\oberdiek-bundle.bib
• C:\Users\%user%\AppData\Local\Programs\MiKTeX\bibtex\bib\oberdiek\oberdiek-source.bib
• C:\Users\%user%\AppData\Local\Programs\MiKTeX\bibtex\bst\biblatex\biblatex.bst
• C:\Users\%user%\AppData\Local\Programs\MiKTeX\bibtex\bst\bibtex\abbrv.bst
• C:\Users\%user%\AppData\Local\Programs\MiKTeX\bibtex\bst\bibtex\acm.bst
• C:\Users\%user%\AppData\Local\Programs\MiKTeX\bibtex\bst\bibtex\alpha.bst
• C:\Users\%user%\AppData\Local\Programs\MiKTeX\bibtex\bst\bibtex\apalike.bst

Frequently the following registry data will not be cleaned:

• HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\MiKTeX
• HKEY_CURRENT_USER\Software\MiKTeX.org

Open regedit.exe to delete the registry values below from the Windows Registry:

• HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Users\sonny\AppData\Local\Programs\MiKTeX\miktex\bin\x64\miktex-texworks.exe.ApplicationCompany
• HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Users\sonny\AppData\Local\Programs\MiKTeX\miktex\bin\x64\miktex-texworks.exe.FriendlyAppName
• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\bam\State\UserSettings\S-1-5-21-1990408503-4184831427-3371735104-1001\\Device\HarddiskVolume6\Users\sonny\AppData\Local\Programs\MiKTeX\miktex\bin\x64\initexmf.exe
• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\bam\State\UserSettings\S-1-5-21-1990408503-4184831427-3371735104-1001\\Device\HarddiskVolume6\Users\sonny\AppData\Local\Programs\MiKTeX\miktex\bin\x64\miktex-console.exe

A way to uninstall MiKTeX from your computer with Advanced Uninstaller PRO

MiKTeX is an application offered by MiKTeX.org. Sometimes, computer users decide to remove this application. Sometimes this is hard because doing this by hand requires some advanced knowledge regarding Windows program uninstallation. The best EASY way to remove MiKTeX is to use Advanced Uninstaller PRO. Here are some detailed instructions about how to do this:





1. If you don't have Advanced Uninstaller PRO on your PC, add it. This is good because Advanced Uninstaller PRO is a very useful uninstaller and general tool to maximize the performance of your system.

DOWNLOAD NOW

• go to Download Link
• download the setup by pressing the green DOWNLOAD button
• install Advanced Uninstaller PRO

2. Run Advanced Uninstaller PRO. Take some time to get familiar with the program's interface and number of tools available. Advanced Uninstaller PRO is a very good system utility.

3. Click on the General Tools category


4. Activate the Uninstall Programs feature


5. All the programs existing on the computer will be shown to you

6. Scroll the list of programs until you find MiKTeX or simply click the Search feature and type in "MiKTeX". If it is installed on your PC the MiKTeX application will be found very quickly. After you click MiKTeX in the list of programs, some data regarding the program is available to you:

• Safety rating (in the left lower corner). The star rating explains the opinion other users have regarding MiKTeX, ranging from "Highly recommended" to "Very dangerous".
• Reviews by other users - Click on the Read reviews button.
• Technical information regarding the application you wish to remove, by pressing the Properties button.

For example you can see that for MiKTeX:

• The software company is: https://miktex.org/about
• The uninstall string is: C:\Users\UserName\AppData\Local\Programs\MiKTeX\miktex/bin/x64\miktex-console.exe --start-page cleanup

7. Press the Uninstall button. A confirmation dialog will come up. accept the uninstall by pressing Uninstall. Advanced Uninstaller PRO will uninstall MiKTeX.


8. After uninstalling MiKTeX, Advanced Uninstaller PRO will ask you to run an additional cleanup. Press Next to proceed with the cleanup. All the items that belong MiKTeX which have been left behind will be found and you will be asked if you want to delete them. By uninstalling MiKTeX with Advanced Uninstaller PRO, you are assured that no registry entries, files or folders are left behind on your system.

Your system will remain clean, speedy and able to take on new tasks.

Disclaimer

This page is not a piece of advice to remove MiKTeX by MiKTeX.org from your PC, nor are we saying that MiKTeX by MiKTeX.org is not a good application for your PC. This page only contains detailed info on how to remove MiKTeX supposing you want to. The information above contains registry and disk entries that Advanced Uninstaller PRO discovered and classified as "leftovers" on other users' PCs.