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INVALID PAGE FAULTS
Last updated May 2, 2006
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Invalid Page Faults are memory-behavior errors. They can be caused by too little RAM; damaged RAM; mismatched RAM; too little free hard drive space in the partition housing the swap file; poor memory management choices by the user; overheating; or (most commonly) programming errors. Usually, two programs are mentioned in the error message: Start troubleshooting with these, either by running repair utilities, replacing implicated modules, uninstalling the program(s) altogether for diagnostic purposes, or reinstalling one or both for diagnosis and/or repair. Nearly always, this problem will first appear soon after you have made software, hardware, or configuration changes to your computer, and can be traced to those changes. (NOTE: Virus infestation is one involuntary type of “software installation” that should be considered.)
OVERVIEW. See: Invalid Page Fault Errors Occur in Windows.
SEARCH FOR MORE IPF’s. If you cannot find your IPF Error Message below, try these links to search the Knowledge Base for others in Win95 Win98 Win ME.
| In IE or OE: | How to troubleshoot
Invalid Page Faults in Internet Explorer Win95 Frequently Asked Questions About Illegal Operations & IPFs in Internet Explorer How to Troubleshoot IPF Error Messages in Outlook Express |
| MISC.: | Invalid Page Fault When You Log Off & Log Back On Win95, Win98, Win ME (with First Aid 97) |
| PROGRAM | Causes IPF in: |
| <Program> | GDI32.DLL
Office 97, Outlook 97, Project 98 (with Matrox video cards) MFC42.DLL Win95, Win98, Win ME (when launching WordPad or Paint) MGAPDX64.DRVOffice 97, Outlook 97, Project 98 (with Matrox video cards) MSVCRT.DLL Win95, Win98, NT4 KERNEL32.DLL Win95, Win 98, Win98 SE, Win ME (W32/KRIZ virus) NTDLL.DLL Office 97, Outlook 97, Project 98 (with Matrox video cards) VCT32150.DLL Win95, Win98, Win98 SE, Win ME WSOCK32.DLL Win95, Win 98, Win98 SE, Win ME (W32/KRIZ virus) |
| ADPST32 | MSCUISTF.DLL at 015f:007dlbf7 Win95, Win98 (with Adaptec EZ-SCSI 4.0) |
| AOLTRAY | WSOCK32.DLL Win95, Win98, Win98 SE (Matrix virus) |
| CMDNINST | KERNEL32.DLL
Win ME USER32.DLL Win ME |
| COMMGR32 | KERNEL32.DLL Win95/98 with IE/OE 4/5 |
| CPQSHELL | KERNEL32.DLL Win95, IE4.0, Win98+IE5 (with Compaq computer) |
| CTSURMIX | KERNEL32.DLL
Win98 SE, Win ME MFC42.DLL Win98 SE, Win ME |
| DDHELP.EXE | KERNEL32.DLL
Win95, Win98, Win98 SE MGAXDD32.DLL Win98, Win98 SE, Media Player 6.x WINMM.DLL Jurassic Park Chaos Island 1.0 |
| DTOLE | KERNEL32.DLL Win95, Win98, Win ME (with HP OfficeJet) |
| DSSAgent | <unknown> Win ME (during startup, shutdown, or Internet access) |
| EXPLORER | <module unknown>
Win95, Win98 (when opening Control Panel: damaged .CPL file) <module unknown> Win98 (on start or restart after IE upgrade) <UNKNOWN> Win95, Win98, Win98 SE, Win ME (at 0000:00000000, when clicking Properties menu, with Novell) APITRAP.DLL Win95, Win98, NT4 BROWSEUI.DLL Win98, Win98 SE (when starting Windows) CSLOA.EXE Win98, Win98 SE (with AOL installed) EXPLORER.EXE Win98, Win98 SE EXPLORER.EXE Win98, Win ME (when starting Windows) EXPLORER.EXE Win98, Win98 SE (when starting Windows) EXPLORER.EXE IE 4.x, IE 5.x, Win98, Win98 SE (when starting Windows) EXPLORER.EXE IE 5 for Win95/98 (with Diamond Monster Fusion driver software) EXPLORER.EXE IE 5 for Win95/98 (with Diamond Monster Fusion driver software) KERNEL32.DLL Win95, Win98 (when opening Control Panel: damaged .cpl file) KERNEL32.DLL Win95/98 with IE/OE 4/5 (when starting IE or OE) KERNEL32.DLL Win98 (viewing folder with Thumbnails enabled) KERNEL32.DLL Win95, Win98 (IBM ThinkPad 701c) KERNEL32.DLL Win98; IE4/5 for Win95/98/NT4 (typing URL, or Run box command) KERNEL32.DLL Win95, Win98, NT4 (when starting computer or IE) KERNEL32.DLL Win98, Win 98 SE (when opening Control Panel: with IBM ViaVoice 98 installed) KERNEL32.DLL IE 4.x (with Netzero ISP) KERNEL32.DLL Win95, Win 98, Win98 SE, Win ME (W32/KRIZ virus) MACXW4.DRV Win98, Win98 SE, Win ME (ATI video driver issue) MSVCRT.DLL Win98, Win98 SE (after installing a Microsoft Reader) PDM.DLL Win98 SE (with MS Visual Studio 6.0) SHDOCVW.DLL IE 4.x, IE 5.x, Win98, Win98 SE SHDOCVW.DLL Win98; IE4/5 for Win95/98/NT4 (typing URL, or Run box command) SHDOCVW.DLL Win95, Win98, Win98 SE (opening Control Panel or My Computer) SHELL32.DLL Win98 (with Novell IntraNetWare) SHELL32.DLL Win95, IE4.0, Win98+IE5 (with Compaq computer) SHELL32.DLL Win95, Win98 (when opening My Computer, Control Panel, or Printers folder) SHELL32.DLL Win98, Win98 SE, Win ME (when creating/accessing new folder) SHELL32.DLL Win98, Win98 SE (Burn It & Key Disk programs incompatible with Win98) THUMBVW.DLL Win98 USER.EXE at 0003:000008b2e Win ME VTCOMMON.DLL Win98, Win 98 SE WININET.DLL Win98 SE; IE 5 for Win95/98 WSOCK32.DLL Win95, Win 98, Win98 SE, Win ME (W32/KRIZ virus) |
| FLYDESK | WSOCK32.DLL and KERNEL32.DLL in98, Win98 SE (after installing a Microsoft Reader) |
| FAXMNG32 | MGAPDX64.DRV WinFax Pro 8.01 (with Matrox video cards) |
| FONTVIEW | COMDLG32.DLL
Win95, Win98, Win98 SE WINSPOOL.DRV Win95, Win98, Win98 SE |
| HH | <unknown>
Win98 HHCTRL.OCX Win98 KERNEL32.DLL Win98 SHLWAPI.DLL Win98 |
| Hypertrm | MSVCRT.DLL or KERNEL32.DLL Win95, Win98 |
| IE5WZD | <various files> See also IE 5.0 or 5.5 |
(IPF) |
When quitting Internet Explorer
or sending e-mail in Outlook Express (MSAAHTML.DLL) Win98, 95+IE4.01, NT4 workstation SP4 |
| ICWCONN1 | ICWCONN1.EXE Win98, Win98 SE |
| IEXPLORE | <unknown>
Win ME; IE 5.x for Win95/98 (with Aureate Radiate installed) <unknown> Win95, Win98, Win98 SE (Matrix virus) <unknown> IE 5.x for Win98 or Win98 SE; IE 5.5 for Win ME (with New.net Application plug-in, or SaveNow) <unknown> IE 5.x (with webHancer) <unknown> Win98, Win98 SE, Win ME (with Aventail Connect VPN) <unknown> IE 5.5 (with AOL 4.0) ALSP.EXE Win98, Win98 SE, Win ME (with Aventail Connect VPN) KERNEL32.DLL IE or OE 5.x, Win98 SE, Win ME KERNEL32.DLL Win ME; IE 5.5 for Win95/98 (with Gator/Claria software installed) KERNEL32.DLL Win ME; IE 5.x for Win95/98 (with Aureate Radiate installed) KERNEL32.DLL All (with multiboot system) MCSCAN32.DLL Win98, Win98 SE (when starting IE) MLANG.DLL IE/OE 5.5 MSHTML.DLL Win ME; IE 5.5 for Win95/98 (with Gator/Claria software installed) MSHTMLED.DLL Win ME; IE 5.5 for Win95/98/2000 MSVCRT.DLL Win98, Win98 SE (after installing a Microsoft Reader) SHDOCVW.DLL Win98; IE4/5 for Win95/98/NT4 (typing URL, or Run box command) URLMON.DLL Win98; IE 5 or 5.01 for Win95/98 URLMON.DLL IE 5 for Win98/98SE (with HP DeskJet 932c software) WININET.DLL Win98 SE; IE 5 for Win95/98 |
| IEXPLORER | module
unknown Win98 SE, or IE5.x ASLSP.DLL Win98, Win98 SE, Win ME (with Aventail Connect VPN) APITRAP.DLL Win95, Win98, NT4 BROWSEUI.DLL Win95, Win98, or NT4 (with IE5) KERNEL32.DLL Win98, Win95+IE3.x, Win95+IE4.x (the most general article: multiple causes & solutions) KERNEL32.DLL Win95, Win98, NT4 (when starting computer or IE) MSHTML.DLL Win95, Win98, Win98 SE, Win ME (when starting computer or IE) SHDOCVW.DLL Win95, Win98, Win98 SE, Win ME (when starting computer or IE) SHLWAPI.DLL Win95, Win98, Win98 SE, Win ME (when starting computer or IE) SHELL32.DLL Win98 SE; or IE 5 or 5.01 SHELL32.DLL IE 4.0, 4.01, or 5 on Win95B (on Compaq Armada 1500-series or Presario 1710) KERNEL32.DLL Win98 SE |
| IKERNEL | module unknown Win95, Win98, Win98 SE, Win ME |
| MNMSRVC | MST120.DLL Netmeeting 3.01+Win95/98, 3.0/3.01+Win98 SE |
| MONITOR | KERNEL32.DLL Win98, Win98 SE, Win ME |
| MPREXE | <module unknown>
Win95, Win98, WinME KERNEL32.DLL Win95/98 with IE/OE 4/5 |
| MPREXE.DLL | KERNEL32.DLL
Win98, Win95 OSR2.x KERNEL32.DLL Win98 SE (after upgrading Win98 to SE) |
| MSCAM | AVICAP.DLL Win98+IE5, Win98 SE, Office97 |
| MSGSRV | KERNEL32.DLL Win95/98 with IE/OE 4/5 |
| MSGSRV32 | KERNEL32.DLL Win95 |
| MSIMN | module unknown
OE5 with CleanSweep Deluxe module unknown OE5 module unknown IE or OE 5.x, Win98 SE, Win ME with McAfee 5.x module unknown OE 5 for Win98 DIRECTDB.DLL OE5 DIRECTDB.DLL OE5 KERNEL32.DLL OE4.x for Win95 KERNEL32.DLL IE or OE 5.x, Win98 SE, Win ME with McAfee 5.x KERNEL32.DLL OE 5 for Win98 MLANG.DLL IE/OE 5.5 MSOE.DLL Win98 SE; OE5 MSOE.DLL OE5 MSOE.DLL OE 5 for Win98 MSOEACCT.DLL OE5 WAB32.DLL IE5.01, IE5.5 WININET.DLL IE5.x |
| MSINFO32 | KERNEL32.DLL Win98 |
| MSMSGS | KERNEL32.DLL Win95, Win98, Win98 SE, Win ME |
| MSNDC | module unknown Win95, Win98, Win98 SE (Matrix virus) |
| MSNVIEWR | MGAPDX64.DRV MSN (with Matrox video cards) |
| MSPAINT | MSPAINT.EXE
or MFC42.DLL Win98, NT4 HHCTRL.OCX Win98 |
| MTX_ | MTX_.EXT Win95, Win98, Win98 SE (Matrix virus) |
| NOTEPAD | NOTEPAD.EXE Win95, Win98 |
| ONZ | XWIN32.EXE Win95, Win98, Win98 SE, Win ME |
| OUTLOOK | OUTLLIB.DLL Outlook 97 |
| PIP | KERNEL32.DLL |
| REALPLAY | WSOCK32.DLL and KERNEL32.DLL in98, Win98 SE (after installing a Microsoft Reader) |
| RPCSS | OLE32.DLL Win98 + Office 97 SP1 |
| RUNDLL | NETDI.DLL Win95, Win98, Win ME (opening Network tool in Control Panel) |
| RUNDLL32 | GDI32.DLL
Win95, Win98, Win98 SE KERNEL32.DLL Win98 (with Compuserve 4.0.1) MACXW4.DRV Win98, Win98 SE, Win ME (ATI video driver issue) RNAUI.DLL Win95, Win98, Win 98 SE USER32.DLL at 0177:bff49be Win ME VTCOMMON.DLL Win98, Win 98 SE |
| SPOOL32 | <module unknown>
Win95, Win98, WinME LXACPPRT.DLL Win98, Win ME KERNEL32.DLL Win95, Win98 SPOOL32.EXE Win95, Win95B (OSR2), Win98, Win98 SE SPOOLSS.DLL Win95, Win98, Win98 SE (Matrix virus) WNPP32.EXE Win95, Win98, Win98 SE (with LANtastic network printer) |
| SUWIN.EXE | SETUPX.DLL Win98 SE |
| TASKMON | KERNEL32.DLL Win98, Win ME |
| THEMES | module <unknown> Win98 |
| TVX98 | MACXW4.DRV Win98, Win98 SE, Win ME (ATI video driver issue) |
| VCDLF | module unknown
Win98, Win98 SE, Win ME VCDLF.EXE Win98, Win98 SE, Win ME |
| VSMON | WSOCK32.DLL and KERNEL32.DLL
in98, Win98 SE (after installing a Microsoft Reader) WSOCK32.DLL Win95, Win 98, Win98 SE, Win ME (W32/KRIZ virus) |
| WAOL | <unknown>
IE 4 (with AOL) MSHTMLED.DLL Win ME; IE 5.5 for Win95/98/2000 KERNEL32.DLL Win95, Win 98, Win98 SE, Win ME (W32/KRIZ virus) KERNEL32.DLL or WSOCK32.DLL Win95, Win 98, Win98 SE, WinNT 4.0 (when starting computer) WININET.DLL Win95, Win98, Win98 SE (Damaged/missing TCP/IP protocol) WSOCK32.DLL Win95, Win98, Win98 SE (Matrix virus) |
| WINIPCFG | WINIPCFG.EXE Win95, Win98, Win98 SE (Matrix virus) |
| WINWORD | <unknown>
Office 97, Office 2000 KERNEL32.DLL Office 97, Office 2000 WINWORD.EXE Office 97 (using Word footnotes, with Matrox video cards) WINWORD.EXE Office 97, Office 2000 |
| WNMSGUPDT | KERNEL32.DLL OE5 for Win98 (when sending email with ATT as ISP) |
| XWIN32 | XWIN32.EXE Win95, Win98, Win98 SE, Win ME |